Flow price: --
971c35d4267d815f59182ca79d5dae078160e817badd9b3c7e17ffa80aee78ac

Transaction

Hash: 971c35d4267d815f59182ca79d5dae078160e817badd9b3c7e17ffa80aee78ac
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 971c35d4267d815f59182ca79d5dae078160e817badd9b3c7e17ffa80aee78ac: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:
971c35d4267d815f59182ca79d5dae078160e817badd9b3c7e17ffa80aee78ac
Status:
ERROR
Block height:
40133349
Block id:
002b9a48217dfb2adf97b1e220b5f1a3be92d36296b30702199a38a69d215814
Timestamp:
Tuesday 1 November 2022 at 23:28:52 UTC
()
Proposer:
Authorizers:
Gas used:
46