Why my form2 print always fail?


sorry for my bad english.
my form2 always print fail when i let it lie idle a half month.
i using clearV4 resin and LT resin tank. i try clearn resin tank and glass window. and try filter my resin. but all useless.
all of its failed printing modules have a round base and some resin bebris.
i dont know how to repair it. and cant connect to support cuz my city havent formlabs serivce center.
does someone who can help me? thanks.
here are the link that show my failed printing things and modules. https://1drv.ms/u/s!Ap5MFN5_exgVgZYUF21msTTdS3r-Cg?e=cs81k0