DOC: update CHANGELOG

CHANGELOG.md

@@ -19,6 +19,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+* #183 No reasonable error when using bad datetime format.
+  (https://gitlab.indiscale.com/caosdb/src/caosdb-server/-/issues/183)
 * #127 "nan" as value (list item) in properties with data type "LIST<DOUBLE>"
   return with "Cannot parse value to double" error.
 * #170 Updating an abstract list-type property with a default value fails with