can any one help us to understand the issue we are getting in salesforce for multiple times?

for refrence attaching this screenshot..
 









The commonality across these errors is - no details provided, only error ID is seen on the screen. Some error IDs as below:
1436031071-773 (1817512133)
546772943-854 (1817512133)
873232994-2353 (1817512133)
174788489-3098 (1817512133)
2118012242-1613 (1817512133)
1323747886-3283 (-1886588983)
1743074262-8149 (1817512133)
1250934096-4224 (565640845)
425143248-2543 (1817512133)