This Is Not A Valid Staad Command File !!top!!

STAAD expects the very first line of a command file to be a valid engine type, such as STAAD SPACE . If this line is deleted or misspelled, the file is rejected immediately.

: When recovering data from a backup file (like .sbk ), binary data at the start of the file may cause the "not valid" error. You must manually open the .sbk in a text editor and delete everything appearing before the STAAD SPACE command before renaming the extension to .std . This Is Not A Valid Staad Command File

Always close the STAAD Editor before hitting the "Run Analysis" button. STAAD expects the very first line of a

Delete these floating lines or place them under a designated load case. This Is Not A Valid Staad Command File