PTC Cloud Access Issue

I am using Windchill Foundation & PDM Release N/A and Datecode with CPS N/A Unable to access the following link. https://ptccloud.sharepoint.com/:f:/r/teams/KnorrBremseHealthCheck/Shared%20Documents/General/Patches/KB%2013.0.2.9-POC3?csf=1&web=1&e=iGaUd7&xsdata=MDV8MDJ8fDMxMzhkMjY3MWNlNTQ4Mzc3OTdjMDhkZTllYjYxNTNifDY2ZjY4MjFlMGEzMDRhMDY4YjhiOTAxYmJmZDJiYzYwfDB8MHw2MzkxMjI3MDIwMTA2NDQ4NjB8VW5rbm93bnxWR1ZoYlhOVFpXTjFjbWwwZVZObGNuWnBZMlY4ZXlKRFFTSTZJbFJsWVcxelgwRlVVRk5sY25acFkyVmZVMUJQVEU5R0lpd2lWaUk2SWpBdU1DNHdNREF3SWl3aVVDSTZJbGRwYmpNeUlpd2lRVTRpT2lKUGRHaGxjaUlzSWxkVUlqb3hNWDA9fDF8TDJOb1lYUnpMekU1T2pFd01HUmpZV05qTFRSak9HWXROR0UzWkMwNU16QmlMV1EzT1RNd01EUTBZMkZsTTE4MlpqaGlNR0k0T1MweFl6TTNMVFF4WVRndFlqWTBOeTFoTUdNeU16Z3hZemhtTURoQWRXNXhMbWRpYkM1emNHRmpaWE12YldWemMyRm5aWE12TVRjM05qWTNNelF4TURnMU13PT18NzJjZmU4NGU1MGZhNGIwMTE4ZmMwOGRlOWViNjE1Mzl8NWRiMWVkNjhhMDY3NGE2MmIxYWY0ZDJmOTc0Mzk5MDM%3D&sdata=MGJTMm9BZGQzSU9ZRUV0d3JyZjgxajZBT3UwWHpIbVdSV2NWVU96NVJIdz0%3D&ovuser=66f6821e-0a30-4a06-8b8b-901bbfd2bc60%2CCeline.Ds%40knorr-bremse.com Here are the errors that I faced Error - Selected user account does not exist in tenant 'PTC' and access the application '00000003-0000-0ff1-ce00-00000000000' in that tenant. The account needs to be added as an external user in the tenant first. Please use a different account.