Flow price: --
166a4253473748c3e9ac8f3254af7e7872aee5c2224975c1759cde2413d3026a

Transaction

Hash: 166a4253473748c3e9ac8f3254af7e7872aee5c2224975c1759cde2413d3026a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 166a4253473748c3e9ac8f3254af7e7872aee5c2224975c1759cde2413d3026a:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
166a4253473748c3e9ac8f3254af7e7872aee5c2224975c1759cde2413d3026a
Status:
ERROR
Block height:
40068270
Block id:
2e7e0804ac8b58c7352ca367310e18439fadfe95ecad010df716fb68e5fe0fdc
Timestamp:
Monday 31 October 2022 at 21:08:52 UTC
()
Proposer:
Authorizers:
Gas used:
50