How To Fix MEREP_01121 - Error converting external format to internal format

SAP Error Message - Details

• Message type: E = Error

• Message class: MEREP_01 - Runtime Messages for Synchronizers

• Message number: 121

• Message text: Error converting external format to internal format

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message MEREP_01121 - Error converting external format to internal format ?

  The SAP error message MEREP_01121 indicates that there is an issue with converting an external format to an internal format, typically related to data processing in the context of Material Management (MM) or related modules. This error often arises when there is a mismatch in data formats, such as date formats, number formats, or other data types that are not compatible with the expected internal representation in SAP.
  Causes:
  
  Data Format Mismatch: The external data being processed does not match the expected format in SAP. For example, a date might be in MM/DD/YYYY format when SAP expects DD/MM/YYYY.
  Incorrect Data Types: The data being imported or processed may contain characters or formats that are not valid for the expected data type (e.g., letters in a numeric field).
  Localization Issues: Different locales may have different formats for numbers, dates, and currencies, leading to conversion issues.
  Configuration Issues: Incorrect settings in the SAP system related to data conversion or data types.
  
  Solutions:
  
  Check Data Formats: Ensure that the data being imported or processed matches the expected formats in SAP. This includes checking date formats, number formats, and any other relevant data types.
  Data Cleansing: Clean the data before importing it into SAP. This may involve converting date formats, removing invalid characters, or ensuring that numeric fields contain only numbers.
  Review Configuration Settings: Check the configuration settings in SAP related to data conversion. Ensure that the settings align with the expected formats for your organization.
  Use SAP Tools: Utilize SAP tools such as the Data Transfer Workbench (DTW) or LSMW (Legacy System Migration Workbench) to assist with data migration and ensure proper formatting.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on data formats and conversion processes.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data conversion issues.
  Transaction Codes: Familiarize yourself with transaction codes related to data import/export, such as SE38 for executing reports or SE11 for data dictionary maintenance.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP support team or consult with an SAP expert for further assistance.