Make Error Messages more Useful

[TForan]

When an error message occurs.... perhaps you could include a link that goes to a page which lists possible causes for the issue and allows users to add causes they have encountered which resulted in the same error message?

[Anonymous]

I've had an error message that Google can't find a single exact match for! At the very least, errors should be documented so they are searchable.

[fbcideas_migusr]

this will also be helpful to have a meaningful error message when unable to save a new dataflow