How To Fix VCH_HL_TRACE407 - Assignment of type &1 is not allowed

VCH_HL_TRACE407 - Overview

• Message type: E = Error

• Message class: VCH_HL_TRACE - Messages for Trace

• Message number: 407

• Message text: Assignment of type &1 is not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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VCH_HL_TRACE407 - Details

• The SAP error message "VCH_HL_TRACE407 Assignment of type &1 is not allowed" typically indicates that there is an issue with data type assignment in your ABAP code or configuration. This error often arises when there is an attempt to assign a value of one data type to a variable of a different, incompatible data type.
  
  Cause:
  
  Data Type Mismatch: The most common cause is that the variable you are trying to assign a value to is of a different type than the value being assigned. For example, trying to assign a string to an integer variable.
  Structure or Table Type Issues: If you are working with structures or internal tables, the fields may not match in terms of data types.
  Field Length Issues: Sometimes, the length of the fields may not match, leading to this error.
  Incompatible Data Types: Assigning complex types (like structures or tables) to simple types (like integers or strings) can also