How To Fix CNV_CMIS_A_20309 - Invalid File Type, Cannot proceed, Enter a CSV file

CNV_CMIS_A_20309 - Overview

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 309

• Message text: Invalid File Type, Cannot proceed, Enter a CSV file

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

CNV_CMIS_A_20309 - Details

• The SAP error message CNV_CMIS_A_20309 indicates that the system is expecting a CSV (Comma-Separated Values) file format, but the file provided is of an invalid type or format. This error typically occurs during data migration or data upload processes where the system is configured to accept only specific file types.
  
  Cause:
  
  Incorrect File Format: The file you are trying to upload is not in CSV format. It could be in a different format such as Excel (.xls, .xlsx), text (.txt), or any other unsupported format.
  File Extension Mismatch: The file may have a .csv extension but is not actually formatted as a CSV file. For example, it might be saved in a different format or contain incompatible characters.
  Corrupted File: The file might be corrupted or improperly formatted, leading to the system being unable to read it as a valid CSV file.
  Encoding Issues: The file might be encoded in a format that is not