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BootResult: failBack Filled Errors: Noneerr: System.TypeLoadExceptionesrc: StartupDataet: ServerErrorestack: Error: 500 at Object.K [as createStatusErrorMessage] (https://res-h3.public.cdn.office.net/owamail/20230616004.12/scripts/owa.mailindex.js:2:262381) at https://res-h3.public.cdn.office.net/owamail/20230616004.12/scripts/owa.mailindex.js:2:261543st: 500ehk: X-OWA-Errorefe: SJ0PR05CA0150, DX2P273CA0006ebe: PH0PR06MB7222ewsver: 15.20.6521.31emsg: ErrorUnexpectedFailure
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 23%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDL%3C/text%3E%3C/svg%3E)
Hi @Pedro Manuel
Please contact your administrator to check for EX610644 error in Microsoft 365 admin center>Health>Service Health. This is a known issue that has been fixed.
https://portal.office.com/adminportal/home?#/servicehealth/:/alerts/EX610644
Best Regards,
Dezhi
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