asp.net webservice hosting error in webconfig file

Server Error in '/ws/InventoryWebService' Application. Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: This configuration section cannot be used at this path. This happens when the site administrator has locked access to this section using from an inherited configuration file.

Source Error:

An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine.

Source File: D:\INETPUB\VHOSTS\thebeginningstore.in\httpdocs\ws\InventoryWebService\web.config Line: 91

Version Information: Microsoft .NET Framework Version:2.0.50727.8762; ASP.NET Version:2.0.50727.8762

Output from local server is ok and works well but some config issues at the hosting end

Oct 18 2018 1:02PM Cash Balance: of DVG \n DES R P \n B/D 0.00 0 \n S 115400 \n CC0 10231 \n CN 0.00 0.00 \n RV 0.00 0 \ n PV 0.00 0 \ n SR 0.00 0.00 \n MD0 0.00 \n C/F 0 1309.0 \n Total 11540 10231 \n is the final expected result