Invalid Request Type Error - Smartview Oracle 11.1.2.4

While refresh Essbase in Excel files on v11.1.2.4 , users are getting "Invalid Request Type" error. In Smartview logs below is what I can see -

[2024-01-09T10:24:29-05:00] [SVC] [ERROR:1] [SVC100000] [SVC] [ecid: 00jRHglbojkFw0zqzs08ZzBRFNU0z_mzR0003Rw000000,0] Invalid Request Type

[2024-01-09T10:33:15-05:00] [SVC] [ERROR:1] [SVC-1] [SVC] [ecid: 00jRHhGwo4TFw0zqzs08ZzBRFNU0z_mzR0003Rw000000,0] [[HTTP status: 400]]

[2024-01-09T10:33:15-05:00] [SVC] [ERROR:1] [SVC-1] [SVC] [ecid: 00jRHhGwo4TFw0zqzs08ZzBRFNU0z_mzR0003Rw000000,0] [[Resp: HTTP_STATUS_BAD_REQUEST - Retrying]]

[2024-01-09T10:33:15-05:00] [SVC] [ERROR:1] [SVC-1] [SVC] [ecid: 00jRHhGwo4TFw0zqzs08ZzBRFNU0z_mzR0003Rw000000,0] [[Trying with simple GET]]