waiting for suitable set of input version/ discovering any new versions

i setup pipeline locally & running on docker image but most of time when i triggered job then pipeline
go into state of waiting for suitable set of input version/ discovering any new versions infinite. i look on google for many things
but not got resolution.below is screen shot.can anyone help me with this.

What does your pipeline yaml look like?

Often this problem is caused by some kind of error in the resource definition (such as a malformed regex) or with passed constraints.