How To Fix SPRX378 - Proxy generation terminated: memberType missing for list

SPRX378 - Overview

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 378

• Message text: Proxy generation terminated: memberType missing for list

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPRX378 - Proxy generation terminated: memberType missing for list ?

  The SAP error message SPRX378 indicates that there is an issue with the proxy generation process, specifically that a memberType is missing for a list in the context of a web service or proxy object. This error typically arises when the system is trying to generate a proxy for a web service and encounters a problem with the data structure definitions.
  
  Cause:
  
  Missing or Incorrect Metadata: The error often occurs when the metadata for the data types used in the web service is incomplete or incorrectly defined. This can happen if the data structure is not properly defined in the underlying ABAP or if there are inconsistencies in the data types.
  List Type Definition: If you are using a list (table) type in your service definition, the system expects a memberType to be defined for that list. If it is missing, the proxy generation will fail.
  Changes in Data Structures: If there have been