Cannot perform operation. Computing alternate solutions, may take a while STS?

Question

I would like to ask what does this error mean when adding a new Available Software Site and installing new software in Eclipse/STS (Spring Tool Suite) using I

Answer 1

Means that plugins that you have are conflicting with the ones attempted to be installed. Once it computes the alternate paths, it pops up the next wizard page. you should be able to see what the conflicts are. In this particular case it might be something related to Groovy Eclipse. Try not selecting Groovy and Grails and see if that helps.