Picasa (in gallery) not linked. Can't open picasa folders. How do I fix it?

I'm trying to open my **picasa folders** in the android **gallery**. When I press the Picasa button, I get this message: > your google account is not linked to Picasa Web Albums. Please add another Google account I found this link from xda . It starts with "can't find the app", and "can't sync" (problems I don't have) but then someone starts about the "not linked" problems. The tips I found where about removing accounts (for youtube, for htc sense, etc), but that didn't help. I found a link to https://android.stackexchange.com/questions/4015/sync-picasa-web-albums-option-not-there , but this is not the same question. The sync option is in the accounts menu, but I can't seem to get picasa in the gallery. I can upload (via gallery -> share) to picasa. I can also make new directories etc. I just can't see my picasa in the gallery specs: - HTC Desire Z - "standard" htc software: android 2.2.1 with HTC sense (1.82.405.1) - HTC hub has "sync" enabled - my Google account has the picasa-sync enabled Does anyone have a clue about how to fix this?