The Auto generated Key properties in the payload cause issue like
The metadata constraints '[Precision=0]' do not allow to format the value
SAP Cloud Platform Integration
If the key properties are not present in the payload, the Olingo library creates a default value for the respective EDM file type.
This default value is added to the generated (atom+xml)/ json payload as part of the payload metadata. This caused an issue at the server side or at the parsing side.
Set the message Property SAP_ODataV2ExcludeAutoKey to boolean value true.
KBA , LOD-HCI-PI-CON-OD , CPI OData Adapters , Problem