How To Fix CY030 - Data cannot be written to data base

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 030

• Message text: Data cannot be written to data base

What causes this issue?

In order to carry out an evaluation in the background, it is necessary
for specific data to be written to a data base table. However, during
this step, an error occurred.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please consult your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY030 - Data cannot be written to data base ?

  The SAP error message CY030, which states "Data cannot be written to database," typically indicates an issue with the database that prevents the system from saving or updating data. This error can arise from various causes, and understanding these can help in troubleshooting and resolving the issue.
  Causes of CY030 Error
  
  
  Database Locking Issues: The database might be locked due to another transaction or process that is currently using the data.
  
  
  Database Connection Problems: There may be issues with the connection between the SAP application and the database, such as network problems or database server downtime.
  
  
  Insufficient Authorizations: The user may not have the necessary permissions to write data to the database.
  
  
  Database Space Issues: The database might be out of space, preventing any new data from being written.
  
  
  Data Integrity Violations: The data being written may violate constraints or rules defined in the database schema, such as primary key or foreign key constraints.
  
  
  System Configuration Issues: There may be configuration issues within the SAP system or the database that are preventing data writes.
  
  
  Solutions to CY030 Error
  
  
  Check Database Locks: Use transaction codes like SM12 to check for any locks on the database. If locks are found, they may need to be released.
  
  
  Verify Database Connection: Ensure that the database server is up and running and that the connection settings in SAP are correct. You can check the database status and connectivity using transaction DBACOCKPIT.
  
  
  Review User Authorizations: Check the user roles and authorizations to ensure that the user has the necessary permissions to perform the operation.
  
  
  Monitor Database Space: Check the available space in the database. If the database is full, you may need to increase the storage capacity or clean up unnecessary data.
  
  
  Check Data Integrity: Review the data being written to ensure it complies with all database constraints. This may involve checking for duplicate keys or invalid foreign key references.
  
  
  Review System Logs: Check the SAP system logs (transaction SM21) and the database logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  Restart Services: In some cases, restarting the SAP application server or the database server may resolve transient issues.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for locks), SM21 (for system logs), and DBACOCKPIT (for database monitoring).
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurred.
  Documentation: Review SAP documentation and community forums for additional insights and similar cases.
  
  By systematically addressing these potential causes, you should be able to resolve the CY030 error and restore normal functionality to your SAP system.