TYPO3 Exception 1314455642

Error during file indexing: "..."

Exception in TYPO3 6.1 Backend show content in fileadmin folder

After upload a broken image the following error occurred:

Error during file indexing: "Column 'height' cannot be null".

Solution: Find the broken image and delete it.

ERROR during Upgrade TYPO3 4.5 to 6.1

During using the Upgrade Wizard at step Migrate all file relations from `tt_content.image` and `pages.media` the following error occurred:

Oops, an error occurred! Error during file indexing: "Unknown column 'creation_date' in 'field list'"

Solution: You have to run compare' first. Then the Upgrade Wizard worked fine