How To Fix MC762 - View field & (data element or type/length different in union select &)

MC762 - Overview

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 762

• Message text: View field & (data element or type/length different in union select &)

What causes this issue?

In a view on several unions, different data elements or different types
and lengths were assigned to the same view field.

System Response

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

How to fix this error?

The runtime object generated for the view uses the data element or
the type/length definition of the first view field defined (view field
with the lowest position).
&HINTS&
Views with unions are currently only supported internally at SAP.

Error message extract from SAP system. Copyright SAP SE.

MC762 - Details

• The SAP error message MC762 typically occurs in the context of data extraction or reporting, particularly when dealing with the Data Warehousing or Logistics Information System (LIS) modules. This error indicates that there is a mismatch in the data types or lengths of fields being used in a union select operation.
  
  Cause:
  The error message MC762 arises due to the following reasons:
  
  
  Data Type Mismatch: The fields being selected in the union operation have different data types. For example, one field might be defined as a character type while another is defined as a numeric type.
  
  
  Length Mismatch: Even if the data types are the same, if the lengths of the fields differ, this can also trigger the error. For instance, if one field is defined as CHAR(10) and another as CHAR(20), this will lead to a conflict.
  
  
  Union Select Operation: The error specifically points to issues in a union select operation where the fields