Any clue what this message is related to:
*** STAAD.Pro ERROR MESSAGE ***
** Read/write ERROR in Unit No. 29
**INTERNAL ERROR** ENDFILE ON LOADS FILE L29 IN REDLD
CHECK USAGE OF CHANGE,SET NL,SAVE,RESTORE
L, NV, IAN, LLML, LNUBC, ILOAD(L), IDYNL(L)
7 10 1 0 0 7 0
*** ERRORS IN SOLVER ***
What is error in unit No 29?