ATRA_CANT_OPEN is an ABAP runtime error which you may come across when using or developing within an SAP system. See below for the standard details explaining what it means and how you can avoid or fix this runtime error.
Short Dump Classification: I - Internal Kernel Error
You can view further information about a runtme error by using transaction code ST22 which will show you this and all runtime erros that have happen in your SAP system.
Also check out the Comments section below to view or add related contributions and example screen shots.
Please see search hints for more details about the possible cause of this runtime error and how it could be avoided.
Please see send to sap for more details about the possible cause of this runtime error and how it could be avoided.
File <runtime parameter> cannot be opened.
Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.
File <runtime parameter> could not be opened. Error text: <runtime parameter>
Error code: <runtime parameter>
Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.
ATRA_CANT_OPEN - atra cant open ASSIGN_UC_STRUCT_CONFLICT - assign uc struct conflict ASSIGN_TYPE_ILLEGAL_CAST - assign type illegal cast ASSIGN_TYPE_CONFLICT - assign type conflict ASSIGN_SUBSTRING_NOT_ALLOWED - assign substring not allowed ASSIGN_STRUCTURE_ILLEGAL_CAST - assign structure illegal cast