Common Music Group says they’re catching authorized strays with regards to an explosive lawsuit in opposition to Diddy … and so they desire a decide to chop them some slack.

Here is the deal … former “Making The Band” singer Sara Rivers is suing Diddy for alleged hostile and inhumane therapy … and her lawsuit named UMG as certainly one of a number of dozen defendants.

The music company simply filed a movement to dismiss the lawsuit in opposition to them … arguing they don’t have any enterprise being sued by Sara.

In new authorized docs, obtained by TMZ, UMG argues the case in opposition to them must be dismissed as a result of it is time-barred … UMG says the federal claims are preempted by New York state regulation and that it is an improper group pleading that fails to state a declare.

UMG additionally says the elements of Sara’s lawsuit that contain them are irrelevant to her claims in opposition to Diddy … and so they say that out of over 1,003 paragraphs within the authentic lawsuit, solely 10 pertain to UMG.