E-VSD-21
Message
No schema mapping files found in {{MAPPINGS_FOLDER}}.
Mitigation
Please check that you definition files have a .json ending and are uploaded to the BucketFS path that was specified in the MAPPING property.
Source
virtual-schema-common-document/src/main/java/com/exasol/adapter/document/properties/SchemaMappingPropertyReader.java:144