Fleshed out error codes with appropriate error messages. These are used in REST API responses in case of unsuccessful API calls
Fleshed out error codes with appropriate error messages. These are used in REST API responses in case of unsuccessful API calls

asamgir/openspecimen,asamgir/openspecimen,krishagni/openspecimen,krishagni/openspecimen,asamgir/openspecimen,krishagni/openspecimen