Message type: E = Error
Message class: MC - Aggregate: views, matchcodes, lock objects
Message number: 803
Message text: View field & in & Union select: Length of 1st occurrence must be larger
A view containing a union and constants was defined in the selections.
The corresponding view fields for working in the ABAP environment are
determined using the type specification in the first selection of the
union. Here, this is a constant and, in the specified selection of the
union, a column or constant is used whose length is greater.
The view will not be activated or checked successfully.
The length of a column or constant in selections must be in accordance
with the defined column of the first selection.
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.
MC803
- View field & in & Union select: Length of 1st occurrence must be larger ?The SAP error message MC803 typically occurs in the context of the Material Management (MM) module, particularly when dealing with the Material Master or related data. This error indicates that there is an issue with the length of a field in a database view or a union select statement, where the first occurrence of a field is expected to have a larger length than what is currently defined.
Cause: Field Length Mismatch: The error is often caused by a mismatch in the expected length of a field in a database view or a union select statement. For example, if a field is defined to hold a certain number of characters but the actual data being processed exceeds that length, this error can occur. Data Model Changes: Changes in the data model or database structure that have not been properly reflected in the views or queries can lead to this error. Custom Development: If there
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