Flow price: --
268f9ff7f2ef2835651e3c417f8d06a11c011e9a4a077799cd98f530518b5fc2

Transaction

Hash: 268f9ff7f2ef2835651e3c417f8d06a11c011e9a4a077799cd98f530518b5fc2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 268f9ff7f2ef2835651e3c417f8d06a11c011e9a4a077799cd98f530518b5fc2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
268f9ff7f2ef2835651e3c417f8d06a11c011e9a4a077799cd98f530518b5fc2
Status:
ERROR
Block height:
39815775
Block id:
747ab9f0d020b369bbc070b7231b7997a2ecab6079ad1abc4a26127cc26206a2
Timestamp:
Thursday 27 October 2022 at 15:57:31 UTC
()
Proposer:
Authorizers:
Gas used:
49