How To Fix SWF_RLS_001150 - Operator '&1' expects an internal table for expression '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_RLS_001 - Condition Evaluation and Rule Evaluation

• Message number: 150

• Message text: Operator '&1' expects an internal table for expression '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_RLS_001150 - Operator '&1' expects an internal table for expression '&2' ?

  The SAP error message SWF_RLS_001150 indicates that there is an issue with the operator expecting an internal table for a specific expression. This error typically occurs in the context of workflow or business process management within SAP, particularly when dealing with expressions in workflow rules.
  
  Cause:
  The error is caused by a mismatch between the expected data type and the actual data type being provided in a workflow rule or expression. Specifically, the operator (e.g., a function or method) is expecting an internal table (a type of data structure in ABAP that can hold multiple records), but it is receiving a different type of data (like a single value or a different structure).
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Expression: Review the expression that is causing the error. Ensure that it is correctly defined and that it is indeed supposed to return an internal table.
  
  
  Data Type Verification: Verify