Unable to register services plugin

We just started using OME and are unable to register the services plugin. After entering the Access Key and PIN the following error is shown:

Unable to register Services because either the entered Access Key or PIN is invalid or Services is unable to establish the connection with Dell.

The log shows the following error which may be relevant:

22 Jan 2025 10:56:40,207 [vert.x-eventloop-thread-14] INFO  com.dell.sae.commons.omeplugin.helper.ConnectivityResponseHandler- 48 - Execution of method getResponseHandler started
22 Jan 2025 10:56:40,207 [vert.x-eventloop-thread-14] INFO  com.dell.sae.commons.omeplugin.helper.ConnectivityResponseHandler- 54 - Response from backend is not null, parsing the same
22 Jan 2025 10:56:40,208 [vert.x-eventloop-thread-14] INFO  com.dell.sae.commons.omeplugin.helper.ConnectivityResponseHandler- 60 - Returning failed future response, failed response status
22 Jan 2025 10:56:40,208 [vert.x-eventloop-thread-14] INFO  com.dell.sae.commons.omeplugin.helper.ConnectivityResponseHandler- 147 - Inside getSCGSRSErrorResponse ..
22 Jan 2025 10:56:40,208 [vert.x-eventloop-thread-14] INFO  com.dell.sae.commons.omeplugin.helper.ConnectivityResponseHandler- 158 - Forming additionalErrorObj ..
22 Jan 2025 10:56:40,208 [vert.x-eventloop-thread-14] INFO  com.dell.sae.commons.omeplugin.helper.ConnectivityResponseHandler- 180 - Method getErrorJsonObject execution started
22 Jan 2025 10:56:40,208 [vert.x-eventloop-thread-14] INFO  com.dell.sae.commons.omeplugin.helper.ConnectivityResponseHandler- 186 - Error model is created with httpstatus as 500 ,errorcode as  , errorReason as Internal Server Error and errorMEssage as {"responseCode":"400","message":"400  on POST request for \"https://ssgosghop.isus.emc.com/addproductservice/provisioning/v10/instanceve\": \"{\"responseStatus\":{\"timestamp\":\"Wed Jan 22 09:56:40 UTC 2025\",\"internalErrorCode\":\"Missing castleId or guCastleId\"}}\"","deviceKey":null,"certificate":null,"model":"SUPPORTASSISTENTERPRISE-OMEPLUGIN","serialNumber":"Null"} 
22 Jan 2025 10:56:40,208 [vert.x-eventloop-thread-14] ERROR com.dell.sae.registration.omeplugin.util.PluginConnectivitySDKHelper- 41 -  Plugin Provision to connectivity -> failed {}
io.vertx.core.impl.NoStackTraceThrowable: {"errorCode":"","errorMessage":"{\"responseCode\":\"400\",\"message\":\"400  on POST request for \\\"https://ssgosghop.isus.emc.com/addproductservice/provisioning/v10/instanceve\\\": \\\"{\\\"responseStatus\\\":{\\\"timestamp\\\":\\\"Wed Jan 22 09:56:40 UTC 2025\\\",\\\"internalErrorCode\\\":\\\"Missing castleId or guCastleId\\\"}}\\\"\",\"deviceKey\":null,\"certificate\":null,\"model\":\"SUPPORTASSISTENTERPRISE-OMEPLUGIN\",\"serialNumber\":\"Null\"}","httpStatus":500,"errorReason":"Internal Server Error"}
22 Jan 2025 10:56:40,208 [vert.x-eventloop-thread-14] ERROR com.dell.sae.registration.service.impl.RegistrationService- 139 - Error occurred when making calls to ConnectivitySDK {}
io.vertx.core.impl.NoStackTraceThrowable: {"errorCode":"","errorMessage":"{\"responseCode\":\"400\",\"message\":\"400  on POST request for \\\"https://ssgosghop.isus.emc.com/addproductservice/provisioning/v10/instanceve\\\": \\\"{\\\"responseStatus\\\":{\\\"timestamp\\\":\\\"Wed Jan 22 09:56:40 UTC 2025\\\",\\\"internalErrorCode\\\":\\\"Missing castleId or guCastleId\\\"}}\\\"\",\"deviceKey\":null,\"certificate\":null,\"model\":\"SUPPORTASSISTENTERPRISE-OMEPLUGIN\",\"serialNumber\":\"Null\"}","httpStatus":500,"errorReason":"Internal Server Error"}
22 Jan 2025 10:56:40,208 [vert.x-eventloop-thread-14] INFO  com.dell.sae.registration.util.RegistrationUtil- 58 - Inside handleSRSError method
22 Jan 2025 10:56:40,208 [vert.x-eventloop-thread-14] INFO  com.dell.sae.registration.util.RegistrationUtil- 181 - Inside parseToJsonObject method
22 Jan 2025 10:56:40,209 [vert.x-eventloop-thread-14] INFO  com.dell.sae.registration.util.RegistrationUtil- 100 - errorMessage is: {"responseCode":"400","message":"400  on POST request for \"https://ssgosghop.isus.emc.com/addproductservice/provisioning/v10/instanceve\": \"{\"responseStatus\":{\"timestamp\":\"Wed Jan 22 09:56:40 UTC 2025\",\"internalErrorCode\":\"Missing castleId or guCastleId\"}}\"","deviceKey":null,"certificate":null,"model":"SUPPORTASSISTENTERPRISE-OMEPLUGIN","serialNumber":"Null"}
22 Jan 2025 10:56:40,209 [vert.x-eventloop-thread-14] INFO  com.dell.sae.registration.util.RegistrationUtil- 114 - errMsg is: 400  on POST request for "https://ssgosghop.isus.emc.com/addproductservice/provisioning/v10/instanceve": "{"responseStatus":{"timestamp":"Wed Jan 22 09:56:40 UTC 2025","internalErrorCode":"Missing castleId or guCastleId"}}"
22 Jan 2025 10:56:40,209 [vert.x-eventloop-thread-14] INFO  com.dell.sae.registration.util.RegistrationUtil- 116 - errCode is: null
22 Jan 2025 10:56:40,209 [vert.x-eventloop-thread-14] INFO  com.dell.sae.registration.common.util.ErrorCodeMapper- 365 - Handling SRS error, where error is null
22 Jan 2025 10:56:40,209 [vert.x-eventloop-thread-14] INFO  com.dell.sae.registration.common.util.ErrorCodeMapper- 446 - Getting SRS error code from mapping
22 Jan 2025 10:56:40,209 [vert.x-eventloop-thread-14] INFO  com.dell.sae.registration.common.util.ErrorCodeMapper- 468 - Getting connectivity sdk error code
22 Jan 2025 10:56:40,210 [vert.x-eventloop-thread-14] ERROR com.dell.sae.registration.persistence.domainservice.RegistrationDomainServiceImpl- 234 - provisionUser failed: {}
io.vertx.core.impl.NoStackTraceThrowable: {
  "code" : "SAE-010011",
  "message" : "We encountered an error while trying to register [ProductName]. Reenter your access key and PIN, then try to register again.",
  "statusCode" : null
}