How To Fix IUUC_MAIN221 - SQL-Error step "Prepare Adjust_Rfcdest": &1 &2 &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_MAIN - IUUC: Main Message class

• Message number: 221

• Message text: SQL-Error step "Prepare Adjust_Rfcdest": &1 &2 &3 &4

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 IUUC_MAIN221 - SQL-Error step "Prepare Adjust_Rfcdest": &1 &2 &3 &4 ?

  The SAP error message IUUC_MAIN221, specifically related to the SQL error during the step "Prepare Adjust_Rfcdest," typically occurs in the context of SAP Landscape Transformation (SLT) or Data Replication processes. This error can arise due to various reasons, including issues with database connectivity, configuration problems, or inconsistencies in the data.
  Possible Causes:
  
  Database Connectivity Issues: The connection to the database may be interrupted or misconfigured.
  Configuration Errors: Incorrect settings in the SLT configuration or RFC destination settings can lead to this error.
  Data Inconsistencies: There may be issues with the data being replicated, such as missing or corrupt entries.
  Authorization Issues: The user executing the operation may not have the necessary permissions to perform the action.
  Resource Limitations: Insufficient resources (like memory or CPU) on the database server can also lead to SQL errors.
  
  Solutions:
  
  
  Check Database Connection:
  
  Verify that the database is up and running.
  Check the RFC destination settings in transaction SM59 to ensure they are correctly configured.
  
  
  
  Review SLT Configuration:
  
  Ensure that the SLT configuration is correct and that all necessary parameters are set properly.
  Check the configuration for the relevant tables and ensure they are correctly defined.
  
  
  
  Examine Data:
  
  Look for any inconsistencies or issues in the data being replicated. You may need to clean or correct the data in the source system.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to perform the replication tasks. You can check this in transaction SU01.
  
  
  
  Monitor System Resources:
  
  Check the performance and resource usage of the database server. If resources are low, consider optimizing the database or increasing the available resources.
  
  
  
  Review Logs:
  
  Check the SLT logs for more detailed error messages. You can find logs in transaction SLG1 or in the SLT monitoring tools.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error. SAP Notes often provide patches or workarounds for known issues.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59 (RFC Destinations)
  SLG1 (Application Log)
  SLT Monitoring tools for monitoring replication processes.
  
  
  
  Documentation: Refer to the official SAP documentation for SLT and database connectivity for more detailed guidance.
  
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with the complete error message and any relevant logs for analysis.