Please find below are steps to take care of such issue(s) at L1 end,
1) Please look for store manager should be defined for same store in store master screen available in system admin section in SRS.
2) You can also find the details in table "dc_storemaster where str_code=''dpi code of store".
3) You can verify at your end (HRIS) if the store in-charge is defined for store or not or more then user should not be in-charge for the same store