Message type: E = Error
Message class:  IST_EBS - Interface Between IS-T and External Billing System 
Message number: 158
Message text: There were problems processing at least one line in the IDoc &1
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Go to the IDoc display using transaction WE05 and look at the error
message that occurred while the segment was being processed.
You will find the error message in the folder of status records.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message IST_EBS158 indicates that there were issues processing at least one line in the IDoc (Intermediate Document) specified by the IDoc number. This error typically arises during the processing of IDocs in SAP, which are used for data interchange between SAP systems and external systems. Causes: Data Issues: The data in the IDoc may be incorrect or incomplete. This could include missing mandatory fields, incorrect data formats, or invalid values. Mapping Errors: If the IDoc is being processed through a mapping layer (like SAP PI/PO), there may be issues with the mapping configuration. Business Logic Errors: The business logic defined in the receiving system may reject the data due to validation rules. Technical Errors: There could be technical issues such as connectivity problems, authorization issues, or system configuration errors. IDoc Structure Changes: If there have been changes to the IDoc structure or the associated segments, it may lead to processing errors. Solutions: Check IDoc Status:
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