3218200 - Getting error 2601 while running sp_addserver - SAP ASE

• sysservers has 1000 rows, maximum value of column "srvid" on sysservers table is 999.
• Received error 2601 when trying to add 1 more server:
      
  sp_addserver isyb094, ASEnterprise, isyb094
  go
  Adding server 'isyb094', physical name 'isyb094'
  Msg 2601, Level 16, State 6:
  Server 'ASE16', Procedure 'sp_addserver', Line 630:
  Attempt to insert duplicate key row in object 'sysservers' with unique index 'csysservers'
  Command has been aborted.
  (return status = 1)
  

SAP Adaptive Server Enterprise

826790, CR#826790, CR 826790, sp_addserver, Msg 2601, Level 16, State 6:, error 2601, 2601, duplicate key row, duplicate row, sysservers, unique index 'csysservers', csysservers, srvid , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Known Error