SAGE CRM SERVER : WINDOWS SERVER 2012 R2 , SQL SERVER : SQL 2014

SAGE 300 ERP : WINDOWS SERVER 2012 R2 , SQL SERVER : SQL 2014

INTEGRATION SETUP : SAGE CRM INTEGRATION FOR SAGE ERP 300 2016.

IN THE SAGE ERP 300 SERVER WORKSTATION SETUP IS COMPLETED & CRM WEB SERVICES IS COMMUNICATE TO THE SERVER.

after integration with erp 300 i can able to synchronize the tables,import & export customer,vendors and i can able to promote customer to the sage erp 300 to the crm server.but when i am clicking the quote screen or order screen i am getting the error as below.

note : i done the Sdataservlet & sage300erp appilaction site under the default site in the IIS with the rewrite rule(URL Rewrite Module)

HTTP Error 404.0 - Not Found
The resource you are looking for has been removed, had its name changed, or is temporarily unavailable.

Most likely causes:
The directory or file specified does not exist on the Web server.
The URL contains a typographical error.
A custom filter or module, such as URLScan, restricts access to the file.

Things you can try:
Create the content on the Web server.
Review the browser URL.
Create a tracing rule to track failed requests for this HTTP status code and see which module is calling SetStatus. For more information about creating a tracing rule for failed requests, click here.

Detailed Error Information:
Module IIS Web Core
Notification MapRequestHandler
Handler StaticFile
Error Code 0x80070002
Requested URL sage300:80/.../openCRMSession
Physical Path C:\sdata\SageERP\accpac\-\asSessions\$service\openCRMSession
Logon Method Anonymous
Logon User Anonymous

More Information:
This error means that the file or directory does not exist on the server. Create the file or directory and try the request again.

Please give me solution to resolve the issue.