How To Fix M!202 - &1: Conversion from &2 to &3 to &4 during set up is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: M! -

• Message number: 202

• Message text: &1: Conversion from &2 to &3 to &4 during set up is not possible

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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Smart SAP Assistant

• What is the cause and solution for SAP error message M!202 - &1: Conversion from &2 to &3 to &4 during set up is not possible ?

  The SAP error message M!202 indicates that there is a problem with the conversion of data types during a setup process, typically related to material management or inventory management. The message format is as follows:
  M!202 &1: Conversion from &2 to &3 to &4 during set up is not possible
  Cause:
  This error usually occurs due to one of the following reasons:
  
  
  Data Type Mismatch: The system is trying to convert a value from one data type to another, but the conversion is not valid. For example, trying to convert a character string to a numeric type when the string does not represent a valid number.
  
  
  Incorrect Configuration: There may be an issue with the configuration settings in the material master or related master data that leads to incompatible data types.
  
  
  Missing or Incorrect Data: The data being processed may be incomplete or incorrect, leading to conversion issues.
  
  
  Custom Code or Enhancements: If there are custom programs or enhancements in place, they may not handle certain data types correctly.
  
  
  Solution:
  To resolve the M!202 error, you can take the following steps:
  
  
  Check Data Types: Review the data types involved in the conversion. Ensure that the source data is compatible with the target data type. For example, if converting from a string to a number, ensure the string is a valid numeric representation.
  
  
  Review Configuration: Check the configuration settings in the relevant modules (like Material Management) to ensure that they are set up correctly. Look for any inconsistencies in the material master data.
  
  
  Validate Input Data: Ensure that the data being processed is complete and valid. Check for any missing fields or incorrect values that could lead to conversion issues.
  
  
  Debug Custom Code: If there are any custom programs or enhancements, review the code to ensure that it correctly handles data conversions. Debugging may be necessary to identify where the conversion fails.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or process you are working with. There may be known issues or additional guidance available.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with the error message details and any relevant context.
  
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may be working with transaction codes related to material management, such as MM01 (Create Material), MM02 (Change Material), or others.
  SAP Notes: Search for SAP Notes related to error M!202 in the SAP Support Portal. There may be specific notes addressing this error with additional troubleshooting steps or patches.
  Community Forums: Check SAP community forums or other online resources where users may have encountered similar issues and shared their solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the M!202 error in your SAP system.