How To Fix SWF_BND_001077 - A Table Column (Without Index) Cannot Be a Target of an Assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_BND_001 - Messages for workflow binding class

• Message number: 077

• Message text: A Table Column (Without Index) Cannot Be a Target of an Assignment

What causes this issue?

Expression &V1& refers to a complete column of a table. A complete
column cannot be the target of an assignment.

System Response

This binding instruction is not supported.

How to fix this error?

For the table, enter the index expression in the form <AB>
<(>&<)>table[Index].component&</>. Using the index expression, choose a
single row of the table. Thus a complete column is no longer addressed.
If the table is still empty, you can use '1' as an index, a new table
row is then created automatically by the binding and the requested
component is set in this row.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_BND_001077 - A Table Column (Without Index) Cannot Be a Target of an Assignment ?

  The SAP error message SWF_BND_001077 indicates that there is an issue with an assignment operation in a workflow or a binding context where a table column that does not have an index is being used as a target for an assignment. This typically occurs in the context of SAP Business Workflow or when working with binding in the context of ABAP programming.
  Cause:
  The error arises when you attempt to assign a value to a table column that is not indexed. In SAP, table columns (especially in internal tables) need to be indexed to allow for assignment operations. If you try to assign a value to a column of a table that does not have a unique index, the system cannot determine where to place the value, leading to this error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Table Definition: Ensure that the table you are working with is defined correctly. If you are using an internal table, make sure that it has a primary key or an index defined.
  
  
  Use Indexed Access: If you need to assign a value to a specific row in the table, ensure that you are using indexed access. For example, if you have an internal table itab, you should access it using an index like itab[index].
  
  
  Modify the Assignment Logic: Instead of trying to assign directly to a column, you may need to assign to a specific row of the internal table. For example:
  itab[index]-column = value.
  
  
  Review Workflow Configuration: If this error occurs in a workflow context, review the workflow configuration to ensure that the bindings are set up correctly. Make sure that the target fields in the workflow are correctly defined and that they correspond to indexed fields.
  
  
  Debugging: If the issue persists, consider debugging the workflow or the ABAP program to trace where the assignment is failing. This can help you identify the exact point of failure and the context in which the error occurs.
  
  
  Related Information:
  
  SAP Documentation: Refer to the SAP Help Portal for detailed documentation on workflows and internal tables.
  ABAP Programming Guidelines: Review best practices for working with internal tables and assignments in ABAP.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and how they resolved them.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.