Issue with MgSecurityCaseEdiscoveryCaseMember #3616

DEBUG: [CmdletBeginProcessing]: - New-MgSecurityCaseEdiscoveryCaseMember begin processing with parameterSet 'CreateExpanded'.
DEBUG: [Authentication]: - AuthType: 'Delegated', TokenCredentialType: 'InteractiveBrowser', ContextScope: 'CurrentUser', AppName: 'Microsoft Graph Command Line Tools'.
DEBUG: [Authentication]: - Scopes: [AccessReview.Read.All, Agreement.Read.All, Application.Read.All, Application.ReadWrite.All, Application-RemoteDesktopConfig.ReadWrite.All, AppRoleAssignment.ReadWrite.All, AuditLog.Read.All, BitlockerKey.Read.All, Calendars.Read, Calendars.Read.Shared, Calendars.ReadWrite.Shared, Channel.ReadBasic.All, Contacts.Read, CustomSecAttributeDefinition.Read.All, DelegatedPermissionGrant.Read.All, DelegatedPermissionGrant.ReadWrite.All, Device.Read.All, Device.ReadWrite.All, DeviceLocalCredential.Read.All, DeviceManagementApps.Read.All, DeviceManagementApps.ReadWrite.All, DeviceManagementConfiguration.Read.All, DeviceManagementConfiguration.ReadWrite.All, DeviceManagementManagedDevices.PrivilegedOperations.All, DeviceManagementManagedDevices.Read.All, DeviceManagementManagedDevices.ReadWrite.All, DeviceManagementRBAC.Read.All, DeviceManagementServiceConfig.Read.All, DeviceManagementServiceConfig.ReadWrite.All, Directory.AccessAsUser.All, Directory.Read.All, Directory.ReadWrite.All, Domain.Read.All, Domain.ReadWrite.All, eDiscovery.Read.All, eDiscovery.ReadWrite.All, EntitlementManagement.Read.All, Files.Read.All, Files.ReadWrite.All, Group.Read.All, Group.ReadWrite.All, GroupMember.Read.All, GroupMember.ReadWrite.All, IdentityRiskEvent.Read.All, IdentityRiskyUser.Read.All, Mail.Send, OnPremDirectorySynchronization.Read.All, openid, Organization.Read.All, PeopleSettings.Read.All, PeopleSettings.ReadWrite.All, Policy.Read.All, Policy.Read.ConditionalAccess, Policy.Read.DeviceConfiguration, Policy.Read.PermissionGrant, profile, RecordsManagement.Read.All, RoleAssignmentSchedule.Read.Directory, RoleManagement.Read.All, RoleManagement.Read.Directory, RoleManagement.ReadWrite.Directory, SecurityEvents.Read.All, ServiceHealth.Read.All, ServiceMessage.Read.All, SharePointTenantSettings.Read.All, Sites.Read.All, Sites.ReadWrite.All, Tasks.Read, Team.ReadBasic.All, User.Invite.All, User.Read, User.Read.All, User.ReadBasic.All, User.ReadWrite, User.ReadWrite.All, UserAuthenticationMethod.Read.All, UserAuthenticationMethod.ReadWrite.All, WindowsUpdates.Read.All, email].

DEBUG: ============================ HTTP REQUEST ============================

HTTP Method:
POST

Absolute Uri:
https://graph.microsoft.com/v1.0/security/cases/ediscoveryCases/1854cbc0-5e87-4633-9e09-4d490220aa19/caseMembers

Headers:
FeatureFlag                   : 00000003
Cache-Control                 : no-store, no-cache
User-Agent                    : Mozilla/5.0,(Windows NT 10.0; Microsoft Windows 10.0.22631; en-US),PowerShell/7.5.1
Accept-Encoding               : gzip,deflate,br
SdkVersion                    : graph-powershell/2.37.0,
client-request-id             : 7bbb4112-1e22-427d-b369-5b300a8b1564

Body:
{
  "recipientType": "user",
  "smtpAddress": "bfal461@ecy.wa.gov"
}


DEBUG: ============================ HTTP RESPONSE ============================

Status Code:
Unauthorized

Headers:
Vary                          : Accept-Encoding
Strict-Transport-Security     : max-age=31536000
request-id                    : ddd70330-f558-4c42-92b1-fff956a39b73
client-request-id             : 7bbb4112-1e22-427d-b369-5b300a8b1564
x-ms-ags-diagnostic           : {"ServerInfo":{"DataCenter":"West US 2","Slice":"E","Ring":"4","ScaleUnit":"001","RoleInstance":"MW2PEPF00012D00"}}
Date                          : Fri, 15 May 2026 17:12:39 GMT

Body:
{
  "error": {
    "code": "UnknownError",
    "message": "",
    "innerError": {
      "date": "2026-05-15T17:12:39",
      "request-id": "ddd70330-f558-4c42-92b1-fff956a39b73",
      "client-request-id": "7bbb4112-1e22-427d-b369-5b300a8b1564"
    }
  }
}


New-MgSecurityCaseEdiscoveryCaseMember_CreateExpanded:

Status: 401 (Unauthorized)
ErrorCode: UnknownError
Date: 2026-05-15T17:12:39

Headers:
Vary                          : Accept-Encoding
Strict-Transport-Security     : max-age=31536000
request-id                    : ddd70330-f558-4c42-92b1-fff956a39b73
client-request-id             : 7bbb4112-1e22-427d-b369-5b300a8b1564
x-ms-ags-diagnostic           : {"ServerInfo":{"DataCenter":"West US 2","Slice":"E","Ring":"4","ScaleUnit":"001","RoleInstance":"MW2PEPF00012D00"}}
Date                          : Fri, 15 May 2026 17:12:39 GMT


  Recommendation: See service error codes: https://learn.microsoft.com/graph/errors
DEBUG: [CmdletEndProcessing]: - New-MgSecurityCaseEdiscoveryCaseMember end processing.

</details>


### Configuration

PSVersion                      7.5.1
PSEdition                      Core
GitCommitId                    7.5.1
OS                             Microsoft Windows 10.0.22631
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

### Other information

_No response_