How To Fix SADL_GW019 - Generated ID contains a bad filter: '&1'

SADL_GW019 - Overview

• Message type: E = Error

• Message class: SADL_GW -

• Message number: 019

• Message text: Generated ID contains a bad filter: '&1'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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SADL_GW019 - Details

• The SAP error message SADL_GW019 indicates that there is an issue with a generated ID that contains a bad filter. This typically occurs in the context of the SAP ABAP programming model for SAP Fiori applications, particularly when using the SAP Data Access Layer (SADL) for OData services.
  
  Cause:
  The error is usually caused by one of the following issues:
  
  Invalid Filter Syntax: The filter expression used in the OData query may contain invalid characters or syntax that the system cannot interpret.
  Unsupported Filter Operations: The filter may be using operations or functions that are not supported by the underlying data model or the OData service.
  Data Type Mismatch: The filter may be trying to compare incompatible data types, leading to an invalid query.
  Incorrectly Defined Annotations: If the annotations in the CDS (Core Data Services) view are not correctly defined, it can lead to issues when generating the OData service.
  
  
  Solution:
  To resolve the SADL_GW019 error, you