This error message indicates that the data function services fail when the body/form is larger than the max length of 200000. If the size of a multipart request body is larger than the default value, the request fails to parse.
Adding/Modifying the below parameters in the
TERR service configuration (custom.properties) will solve the problem
server.jetty.max-http-form-post-size:500MB
Note: This resolution is applicable for PYSRV and RSRV by making changes in their respective configuration files.