rdisp/no_core_info is a SAP Parameter attribute which is used to control Enable/disable writing core information information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
The parameter controls the writing of core information for the ABAP
short dump (ST22). If the value of this parameter is 1, then NO
information is written to the short dump. The default setting is 0, that
is, information is written to the short dump.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.