diff --git a/src/ConfigCat.Client.Tests/data/evaluationlog/epoch_date_validation/date_error.txt b/src/ConfigCat.Client.Tests/data/evaluationlog/epoch_date_validation/date_error.txt
index 3a24084d..fbde23f9 100644
--- a/src/ConfigCat.Client.Tests/data/evaluationlog/epoch_date_validation/date_error.txt
+++ b/src/ConfigCat.Client.Tests/data/evaluationlog/epoch_date_validation/date_error.txt
@@ -1,4 +1,4 @@
-WARNING [3004] Cannot evaluate condition (User.Custom1 AFTER '1680307200' (2023-04-01T00:00:00.000Z UTC)) for setting 'boolTrueIn202304' ('2023.04.10' is not a valid Unix timestamp (number of seconds elapsed since Unix epoch)). Please check the User.Custom1 attribute and make sure that its value corresponds to the AFTER operator.
+WARNING [3004] Cannot evaluate condition (User.Custom1 AFTER '1680307200' (2023-04-01T00:00:00.000Z UTC)) for setting 'boolTrueIn202304' ('2023.04.10' is not a valid Unix timestamp (number of seconds elapsed since Unix epoch)). Please check the User.Custom1 attribute and make sure that its value corresponds to the comparison operator.
 INFO [5000] Evaluating 'boolTrueIn202304' for User '{"Identifier":"12345","Custom1":"2023.04.10"}'
   Evaluating targeting rules and applying the first match if any:
   - IF User.Custom1 AFTER '1680307200' (2023-04-01T00:00:00.000Z UTC) => false, skipping the remaining AND conditions
diff --git a/src/ConfigCat.Client.Tests/data/evaluationlog/number_validation/number_error.txt b/src/ConfigCat.Client.Tests/data/evaluationlog/number_validation/number_error.txt
index de6127f4..f9368093 100644
--- a/src/ConfigCat.Client.Tests/data/evaluationlog/number_validation/number_error.txt
+++ b/src/ConfigCat.Client.Tests/data/evaluationlog/number_validation/number_error.txt
@@ -1,4 +1,4 @@
-WARNING [3004] Cannot evaluate condition (User.Custom1 != '5') for setting 'number' ('not_a_number' is not a valid decimal number). Please check the User.Custom1 attribute and make sure that its value corresponds to the != operator.
+WARNING [3004] Cannot evaluate condition (User.Custom1 != '5') for setting 'number' ('not_a_number' is not a valid decimal number). Please check the User.Custom1 attribute and make sure that its value corresponds to the comparison operator.
 INFO [5000] Evaluating 'number' for User '{"Identifier":"12345","Custom1":"not_a_number"}'
   Evaluating targeting rules and applying the first match if any:
   - IF User.Custom1 != '5' THEN '<>5' => cannot evaluate, the User.Custom1 attribute is invalid ('not_a_number' is not a valid decimal number)
diff --git a/src/ConfigCat.Client.Tests/data/evaluationlog/semver_validation/semver_error.txt b/src/ConfigCat.Client.Tests/data/evaluationlog/semver_validation/semver_error.txt
index 3840d3f2..e14cc952 100644
--- a/src/ConfigCat.Client.Tests/data/evaluationlog/semver_validation/semver_error.txt
+++ b/src/ConfigCat.Client.Tests/data/evaluationlog/semver_validation/semver_error.txt
@@ -1,5 +1,5 @@
-WARNING [3004] Cannot evaluate condition (User.Custom1 IS NOT ONE OF ['1.0.0', '1.0.1', '2.0.0', '2.0.1', '2.0.2', '']) for setting 'isNotOneOf' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the IS NOT ONE OF operator.
-WARNING [3004] Cannot evaluate condition (User.Custom1 IS NOT ONE OF ['1.0.0', '3.0.1']) for setting 'isNotOneOf' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the IS NOT ONE OF operator.
+WARNING [3004] Cannot evaluate condition (User.Custom1 IS NOT ONE OF ['1.0.0', '1.0.1', '2.0.0', '2.0.1', '2.0.2', '']) for setting 'isNotOneOf' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the comparison operator.
+WARNING [3004] Cannot evaluate condition (User.Custom1 IS NOT ONE OF ['1.0.0', '3.0.1']) for setting 'isNotOneOf' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the comparison operator.
 INFO [5000] Evaluating 'isNotOneOf' for User '{"Identifier":"12345","Custom1":"wrong_semver"}'
   Evaluating targeting rules and applying the first match if any:
   - IF User.Custom1 IS NOT ONE OF ['1.0.0', '1.0.1', '2.0.0', '2.0.1', '2.0.2', ''] THEN 'Is not one of (1.0.0, 1.0.1, 2.0.0   , 2.0.1, 2.0.2,    )' => cannot evaluate, the User.Custom1 attribute is invalid ('wrong_semver' is not a valid semantic version)
diff --git a/src/ConfigCat.Client.Tests/data/evaluationlog/semver_validation/semver_relations_error.txt b/src/ConfigCat.Client.Tests/data/evaluationlog/semver_validation/semver_relations_error.txt
index 4a841878..8198c854 100644
--- a/src/ConfigCat.Client.Tests/data/evaluationlog/semver_validation/semver_relations_error.txt
+++ b/src/ConfigCat.Client.Tests/data/evaluationlog/semver_validation/semver_relations_error.txt
@@ -1,8 +1,8 @@
-WARNING [3004] Cannot evaluate condition (User.Custom1 < '1.0.0,') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the < operator.
-WARNING [3004] Cannot evaluate condition (User.Custom1 < '1.0.0') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the < operator.
-WARNING [3004] Cannot evaluate condition (User.Custom1 <= '1.0.0') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the <= operator.
-WARNING [3004] Cannot evaluate condition (User.Custom1 > '2.0.0') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the > operator.
-WARNING [3004] Cannot evaluate condition (User.Custom1 >= '2.0.0') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the >= operator.
+WARNING [3004] Cannot evaluate condition (User.Custom1 < '1.0.0,') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the comparison operator.
+WARNING [3004] Cannot evaluate condition (User.Custom1 < '1.0.0') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the comparison operator.
+WARNING [3004] Cannot evaluate condition (User.Custom1 <= '1.0.0') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the comparison operator.
+WARNING [3004] Cannot evaluate condition (User.Custom1 > '2.0.0') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the comparison operator.
+WARNING [3004] Cannot evaluate condition (User.Custom1 >= '2.0.0') for setting 'relations' ('wrong_semver' is not a valid semantic version). Please check the User.Custom1 attribute and make sure that its value corresponds to the comparison operator.
 INFO [5000] Evaluating 'relations' for User '{"Identifier":"12345","Custom1":"wrong_semver"}'
   Evaluating targeting rules and applying the first match if any:
   - IF User.Custom1 < '1.0.0,' THEN '<1.0.0,' => cannot evaluate, the User.Custom1 attribute is invalid ('wrong_semver' is not a valid semantic version)
diff --git a/src/ConfigCatClient/Evaluation/RolloutEvaluator.cs b/src/ConfigCatClient/Evaluation/RolloutEvaluator.cs
index b9d763e5..69485d1b 100644
--- a/src/ConfigCatClient/Evaluation/RolloutEvaluator.cs
+++ b/src/ConfigCatClient/Evaluation/RolloutEvaluator.cs
@@ -722,7 +722,7 @@ private static T EnsureComparisonValue<T>([NotNull] T? value)
     private string HandleInvalidSemVerUserAttribute(UserCondition condition, string key, string userAttributeName, string userAttributeValue)
     {
         var reason = $"'{userAttributeValue}' is not a valid semantic version";
-        this.logger.UserObjectAttributeIsInvalid(condition.ToString(), key, reason, userAttributeName, condition.Comparator.ToDisplayText());
+        this.logger.UserObjectAttributeIsInvalid(condition.ToString(), key, reason, userAttributeName);
         return string.Format(CultureInfo.InvariantCulture, InvalidUserAttributeError, userAttributeName, reason);
     }
 
@@ -731,7 +731,7 @@ private string HandleInvalidNumberUserAttribute(UserCondition condition, string
         var reason = isDateTime
             ? $"'{userAttributeValue}' is not a valid Unix timestamp (number of seconds elapsed since Unix epoch)"
             : $"'{userAttributeValue}' is not a valid decimal number";
-        this.logger.UserObjectAttributeIsInvalid(condition.ToString(), key, reason, userAttributeName, condition.Comparator.ToDisplayText());
+        this.logger.UserObjectAttributeIsInvalid(condition.ToString(), key, reason, userAttributeName);
         return string.Format(CultureInfo.InvariantCulture, InvalidUserAttributeError, userAttributeName, reason);
     }
 }
diff --git a/src/ConfigCatClient/Logging/LogMessages.cs b/src/ConfigCatClient/Logging/LogMessages.cs
index fe69c216..34de3d30 100644
--- a/src/ConfigCatClient/Logging/LogMessages.cs
+++ b/src/ConfigCatClient/Logging/LogMessages.cs
@@ -131,10 +131,10 @@ public static FormattableLogMessage UserObjectAttributeIsMissing(this LoggerWrap
         $"Cannot evaluate condition ({condition}) for setting '{key}' (the User.{attributeName} attribute is missing). You should set the User.{attributeName} attribute in order to make targeting work properly. Read more: https://configcat.com/docs/advanced/user-object/",
         "CONDITION", "KEY", "ATTRIBUTE_NAME", "ATTRIBUTE_NAME");
 
-    public static FormattableLogMessage UserObjectAttributeIsInvalid(this LoggerWrapper logger, string condition, string key, string reason, string attributeName, string @operator) => logger.LogInterpolated(
+    public static FormattableLogMessage UserObjectAttributeIsInvalid(this LoggerWrapper logger, string condition, string key, string reason, string attributeName) => logger.LogInterpolated(
         LogLevel.Warning, 3004,
-        $"Cannot evaluate condition ({condition}) for setting '{key}' ({reason}). Please check the User.{attributeName} attribute and make sure that its value corresponds to the {@operator} operator.",
-        "CONDITION", "KEY", "REASON", "ATTRIBUTE_NAME", "OPERATOR");
+        $"Cannot evaluate condition ({condition}) for setting '{key}' ({reason}). Please check the User.{attributeName} attribute and make sure that its value corresponds to the comparison operator.",
+        "CONDITION", "KEY", "REASON", "ATTRIBUTE_NAME");
 
     public static FormattableLogMessage CircularDependencyDetected(this LoggerWrapper logger, string condition, string key, string dependencyCycle) => logger.LogInterpolated(
         LogLevel.Warning, 3005,