OTP Verification API - 500 code internal server error response is received

Steps:

1. Go to Customer > Login/Signup
2. Enter valid input for all parameters
3. Now run the API and check response
4. After got otp in response go to > OTP Verification API
5. Now enter correct OTP after 15 min and check

Expected result : OTP expired message should be display or any Validation message should be display.

Actual result : Here 500 code received as internal server error.