Issue is out session the user using Microsoft identity and Dotnet core

[HttpPost("UpdateBuyerApplicationStatus")]
public async Task UpdateBuyerApplicationStatus([FromBody] StatusUpdateRequest request)
{
    var response = _buyerApplicationBusinessLogic.UpdateBuyerApplicationStatus(request.Id);
    var systemUser = await _userManager.FindByIdAsync(response.Data.ToString());
    string reason = string.Empty;

    if (systemUser.Status == Framework.Enums.AccountStatus.Active)
    {
        systemUser.Status = Framework.Enums.AccountStatus.Deactivated;
        reason = request.Reason;
        await _userManager.UpdateSecurityStampAsync(systemUser); 
    }
    else if (systemUser.Status == Framework.Enums.AccountStatus.Deactivated)
    {
        systemUser.Status = Framework.Enums.AccountStatus.Active;
    }

    await _userManager.UpdateAsync(systemUser);


......................

}