How To Fix DMC_RT_MSG590 - For target field &1 of structure &2 only UPPERCASE is allowed.

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 590

• Message text: For target field &1 of structure &2 only UPPERCASE is 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.

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 DMC_RT_MSG590 - For target field &1 of structure &2 only UPPERCASE is allowed. ?

  The SAP error message DMC_RT_MSG590 indicates that a specific target field in a structure is restricted to uppercase letters only. This error typically occurs during data migration or data transformation processes, particularly when using the Data Migration Cockpit (DMC) or similar tools.
  Cause:
  The error arises when the data being processed contains lowercase letters or mixed-case letters in a field that is defined to accept only uppercase letters. This is often due to:
  
  Data Source Issues: The source data may contain values that do not conform to the uppercase requirement.
  Mapping Errors: Incorrect mapping or transformation rules that do not enforce the uppercase constraint.
  Field Definition: The target field in the structure is defined in such a way that it only accepts uppercase values.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Data Validation: Check the source data for the specific field mentioned in the error message. Ensure that all values are in uppercase.
  
  
  Data Transformation: If you are using a data transformation tool, apply a transformation rule to convert all values in the affected field to uppercase. This can often be done using functions like UPPER() in SQL or similar functions in data processing tools.
  
  
  Mapping Configuration: Review the mapping configuration in the Data Migration Cockpit or the relevant tool to ensure that it correctly handles the case sensitivity of the target field.
  
  
  Pre-processing: If necessary, pre-process the data before loading it into the target system to ensure compliance with the uppercase requirement.
  
  
  Testing: After making the necessary changes, re-run the data migration or transformation process to verify that the error has been resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Data Migration Cockpit or the specific module you are working with for more details on field requirements and data transformation rules.
  Data Quality Checks: Implement data quality checks in your data preparation process to catch such issues early.
  Error Logs: Review error logs for additional context or related errors that may provide further insight into the issue.
  
  By ensuring that the data conforms to the uppercase requirement, you should be able to resolve the DMC_RT_MSG590 error and successfully complete your data migration or transformation process.