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Troubleshooting D365 FO RecId numbering in Production environement - Cannot create a record in Table (Table) the record already exists.

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Posted on by 26,803 Super User 2026 Season 1


In D365FO for each table the number RecId is a mandatory column added by the system for which it's a primary key. This field is linked with a sequence.

But same times RecId is not getting the correct sequence (does not increment).
In Sandbox environment we have access on the database from LCS but not for production environement.
 
To resolve this problem we must increment the minvalue in the sequence :
1- Get the table Id
select * from SQLDICTIONARY where NAME like 'custtable' and FIELDID = 0
2- Get max RecId from table
select max(RecId) from CUSTTABLE
3- Get next value from sequences 
select next value for dbo.SEQ_9136





 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

4- update the number value 
ALTER SEQUENCE SEQ_22096  MINVALUE 5637219000 RESTART WITH 5637219000
this solution is work fine in sandbox environement because we ave access on database.

Solution for  Production environement 

Here we must create a runable class to update the sequences values
 
class RecIdSequenceCustTable
{
    /// <summary>
    /// Runs the class with the specified arguments.
    /// </summary>
    /// <param name = "_args">The specified arguments.</param>
    public static void main(Args _args)
    {
        CustTable custTable;
        Connection connection ;
        Statement statement ;
        RecId nextRecID;
        str sql ;
        int cnt ;
        
        connection = new Connection();
        statement = connection.createStatement();
        select firstonly custTable order by RecId desc;
        nextRecID = custTable.RecId + 1 ;
        connection.ttsbegin();
        sql = strfmt("ALTER SEQUENCE SEQ_%1 MINVALUE %2 RESTART WITH %2",custTable.TableId,nextRecID);

        cnt = statement.executeUpdate(sql);
        statement.close();

        connection.ttscommit();
    }
}
 
 
 
 
  • André Arnaud de Calavon Profile Picture
    305,797 Super User 2026 Season 1 on at

    Hi Mohamed,

    Do you have a question or is your post intended as knowledge sharing? If you want to share your blog, please don't create a new question, but request a blog space on this forum: Request a New Blog or Blog to Syndicate - Microsoft Dynamics Community Support & Help

    Note that if there are issues with record ID generation, you can better first contact Microsoft Support. In a normal operating environment it should not give the error because of a duplicate Record ID.

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