Pokemon Go Raid Boss Error 26 :| How to Fix?

What does one do when they've successfully defeated a RAID boss, but an error 26 appears? I was awarded no items, and couldn't even attempt to catch. I even went and did another RAID and came back, and still same issue :\

[@stevejohncastil7774]

same here with a shiny giratina

[@kjakkonrad]

i have that same problem :(

[@LoveableMistakes]

Same issue and I just downloaded the game 😔

[@fnaffan205fnaffa2]

Katlynn marie I don’t know why Pokémon is doing this😭😭😭😭

[@evelynx831]

Katlynn marie yeah me too i just downloaded it. Im a really big Pokemon fan but i cant play it because of that Error 26. :(

[@LoveableMistakes]

Evelyn X I fixed mine. If you sign in through your email and not Facebook it will work. There is a glitch with the Facebook login . Hope this helps you guys !

[@lubnaskaikh9038]

Same problem

[@Aanpak23]

I just got the same thing with a shiny dialga

[@arsham9588]

I just downloaded and i have same problem how to fix it

[@Kkkkkkkkjdjsj]

lol
Sad