How To Fix EWA037 - The sequence already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: EWA - IS-U-WA: Waste Management

• Message number: 037

• Message text: The sequence already exists

What causes this issue?

You have entered a number for the sequence that already exists.

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?

Move the service to another position in the route. You have the
following options:
Choose a number for your route that has not yet been assigned.
Move the existing sequences in your route.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EWA037 - The sequence already exists ?

  The SAP error message EWA037, which states "The sequence already exists," typically occurs in the context of database operations, particularly when dealing with sequences in the database. This error indicates that an attempt was made to create a sequence that already exists in the database.
  Cause:
  
  Duplicate Sequence Creation: The most common cause of this error is that there is an attempt to create a sequence with a name that already exists in the database.
  Database Migration or Upgrade: If you are migrating or upgrading your database, the sequences may have been created previously, leading to conflicts.
  Development or Testing Environment: In development or testing environments, sequences may be created multiple times without proper cleanup.
  
  Solution:
  
  
  Check Existing Sequences: Before creating a new sequence, check the existing sequences in the database to ensure that the sequence name you want to use is not already taken. You can do this by querying the database catalog or using transaction codes like SE11 or SE14 in SAP.
  Example SQL query to check existing sequences:
  SELECT * FROM user_sequences WHERE sequence_name = 'YOUR_SEQUENCE_NAME';
  
  
  Use a Different Name: If the sequence already exists, consider using a different name for the new sequence you are trying to create.
  
  
  Drop the Existing Sequence: If the existing sequence is no longer needed, you can drop it using the following SQL command:
  DROP SEQUENCE YOUR_SEQUENCE_NAME;
  Note: Be cautious with this approach, as dropping a sequence that is in use can lead to issues in your application.
  
  
  Modify the Existing Sequence: If you need to change the properties of the existing sequence (like increment value, min/max values), you can alter it instead of creating a new one:
  ALTER SEQUENCE YOUR_SEQUENCE_NAME INCREMENT BY 1;
  
  
  Consult Documentation: If you are unsure about the implications of dropping or altering a sequence, consult the SAP documentation or your database administrator.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message.
  Database Documentation: Refer to your specific database documentation (e.g., Oracle, SQL Server, etc.) for details on managing sequences.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP for database management, such as SE11 (Data Dictionary) and SE14 (Database Utility).
  
  By following these steps, you should be able to resolve the EWA037 error and manage sequences effectively in your SAP environment.