Flow price: --
9c750cac7bc3539d21247709c645c81942f1ab26f8583354ccd16608b4262814

Transaction

Hash: 9c750cac7bc3539d21247709c645c81942f1ab26f8583354ccd16608b4262814
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c750cac7bc3539d21247709c645c81942f1ab26f8583354ccd16608b4262814:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9c750cac7bc3539d21247709c645c81942f1ab26f8583354ccd16608b4262814
Status:
ERROR
Block height:
40100304
Block id:
43f561c3db9afaa16517ab40ce584ab923b15f6238c7ceb2633af030b5c92cff
Timestamp:
Tuesday 1 November 2022 at 10:02:34 UTC
()
Proposer:
Authorizers:
Gas used:
48