How To Fix /SAPDMC/LSMW807 - The first record of the file '&' is not a valid control record

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPDMC/LSMW -

• Message number: 807

• Message text: The first record of the file '&' is not a valid control record

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPDMC/LSMW807 - The first record of the file '&' is not a valid control record ?

  The SAP error message /SAPDMC/LSMW807 indicates that the first record of the file being processed is not a valid control record. This error typically occurs when using the Legacy System Migration Workbench (LSMW) to import data into SAP.
  
  Cause:
  
  Incorrect File Format: The file being uploaded may not be in the expected format. LSMW expects a specific structure for the control record, and if the first line does not conform to this structure, the error will occur.
  Missing Control Record: The control record, which usually contains metadata about the data being imported (like the type of data, the number of records, etc.), may be missing or incorrectly formatted.
  File Encoding Issues: The file may have been saved in an incompatible encoding format (e.g., UTF-8 vs. ANSI), which can lead to misinterpretation of the control record.
  Leading/Trailing Spaces: There may be leading or trailing spaces in the control record that cause it to be read incorrectly.
  Incorrect