How To Fix CNV_10020606 - Patterns are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 606

• Message text: Patterns are not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020606 - Patterns are not allowed ?

  The SAP error message CNV_10020606: Patterns are not allowed typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system has encountered a data pattern that is not permitted in the context of the operation being performed.
  Cause:
  
  Invalid Data Format: The data being imported or converted may contain patterns or formats that are not acceptable according to the target data structure or business rules.
  Incorrect Mapping: The mapping of source fields to target fields may be incorrect, leading to the introduction of invalid patterns.
  Data Validation Rules: The target system may have specific validation rules that the incoming data does not satisfy, such as restrictions on certain characters or formats.
  
  Solution:
  
  Review Data: Check the data being imported for any patterns that may not be allowed. This includes looking for special characters, incorrect formats, or unexpected values.
  Adjust Mapping: Ensure that the mapping between source and target fields is correct. Make sure that the data types and formats align with what is expected in the target system.
  Data Cleansing: Cleanse the data before migration. This may involve removing or replacing invalid characters, correcting formats, or ensuring that all required fields are populated correctly.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the allowed patterns and formats for the data being processed.
  Use Data Validation Tools: Utilize any available data validation tools or features within the migration cockpit to identify and correct issues before attempting the migration again.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into common errors and their resolutions.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to successfully complete your data migration or conversion process.