2996728 - Error saving SPNEGO configuration - "Error during Secure Storage access (C-function RSecDReadItem, rc 15-)

• While updating the information in SPNEGO configuration as  part of SNC / SSO configuration an error occurs
• The error occurs while attempting to save the updates in SPNEGO
• The error message :
  

  Error during Secure Storage access (C-function:

  RSecDReadItem, rc: 15-)

  OTR-Based Exception of Class: CX_KRB_KEYTAB

• In the SECSTORE there are entries for /SPNEGO/KEYTAB/* showing in an error state, for example:
  
  

corrupted, missing "file sys.", SECSTORE, SPNEGO, SNC, Keytab,  /SPNEGO/KEYTAB/* , KBA , BC-SEC-LGN , Authentication , BC-IAM-SSO-SL , Secure Login , Problem