Flow price: --
b3b4642cb0b34f2818fdd0fc165c31c84e5ebfa29b08836bdb6fd5d618b85468

Transaction

Hash: b3b4642cb0b34f2818fdd0fc165c31c84e5ebfa29b08836bdb6fd5d618b85468
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b3b4642cb0b34f2818fdd0fc165c31c84e5ebfa29b08836bdb6fd5d618b85468:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b3b4642cb0b34f2818fdd0fc165c31c84e5ebfa29b08836bdb6fd5d618b85468
Status:
ERROR
Block height:
39958515
Block id:
fd1fb5befa72f6efea635ca62f963d0408001c35926a70a9e46b2165337dd584
Timestamp:
Sunday 30 October 2022 at 01:10:31 UTC
()
Proposer:
Authorizers:
Gas used:
49