EBS : After cloning forms are not opening FRM-40010

Error: 

FRM-40010: Cannot read form , fnd/12.0.0/forms/US/FNDSCSGN

Solution:

1. Backup $CONTEXT_FILE
2. Change variable s_formsfndtop in the context file from "FND_TOP" to "full path of FND_TOP"
Eg: /data/appl/apps_st/appl/fnd/12.0.0
3. Run AutoConfig
4. Restart application services
5. Retest the forms are opening.