Error in creating a new ticket

[amrit-citrusleaf]

Information about bug

Installed Helpdesk with main branch on a existing bench (v15)

When creating a new ticket, the following error is coming-

/api/method/helpdesk.helpdesk.doctype.hd_ticket.api.new DoesNotExistError

Checking the code confirms that this whitelisted method exists. Not sure why its throwing HTTP 404 error.

Version

erpnext 15.38.0
frappe 15.43.0
helpdesk 1.0.0
hrms 15.31.0
india_compliance 15.13.3
payments 0.0.1

Installation method

None

Relevant log output / Stack trace / Full Error Message.

No response