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while running a vasp in a cluster, igot error
forrtl: info: Fortran error message number is 69.
forrtl: warning: Could not open message catalog: ifcore_msg.cat.
forrtl: info: Check environment variable NLSPATH and protection of /usr/lib/ifcore_msg.cat.
and calculation stops there.
i understand this is a fortran problem and not a vasp problem, still i ll be thankful if sombody shows me the way. i am using P4

it seems that one of your processes was interrupted (error #69 of forrtl , SIGINT) for whatever reason (one node died, processor communication problems,...). Moreover, the message catalog cannot be accessed properly (either it was not installed properly, or the /usr/lib is not included in your $NLSPATH, or the access permissions are not set correctly).
please check the job.e file if there is any further information whether the run was interrupted due to some VASP-related (input) error, otherwise the error most likely is hardware-related