Msg 15099 Level 16 State 1 Line 1 The MUST_CHANGE option cannot be used when CHECK_EXPIRATION is OFF.

Error Message:

Msg 15099, Level 16, State 1, Line 1
The MUST_CHANGE option cannot be used when CHECK_EXPIRATION is OFF.

Fix/resolution:
Add CHECK_EXPIRATION=ON TO the script or remove MUST_CHANGE from the script
Before:

CREATE LOGIN [username] WITH PASSWORD=N'pa@Ssword' MUST_CHANGE

After:

CREATE LOGIN [username] WITH PASSWORD=N'pa@Ssword' MUST_CHANGE, CHECK_EXPIRATION=ON

OR

CREATE LOGIN [username] WITH PASSWORD=N'pa@Ssword' MUST_CHANGE