SYSTEM_CORE_DUMPED: Related to the R/3 system kernel..upgrade kernel
TSV_TNEW_PAGE_ALLOC_FAILED:Indicates an exhaustion of available SAP memory resources by a process..no available WP and no enough memory, makes use of local memory.
LOAD_PROGRAM_LOST:The LOAD_PROGRAM_LOST error can occur when there are two or more versions of a given program loaded into the buffer at any given time.
This happens when the program is changed by one user while it is still in use by another user
CALL_FUNCTION_SIGNON_INCOMPL: Typical of an RFC-Call with incorrect or missing logon-data. 
So, we have to find out where the call is coming from.