Flow price: --
d7cde563a71416c31bca90d745c666e7dc50c71bbfe2f164cda37a2714a0772e

Transaction

Hash: d7cde563a71416c31bca90d745c666e7dc50c71bbfe2f164cda37a2714a0772e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7cde563a71416c31bca90d745c666e7dc50c71bbfe2f164cda37a2714a0772e: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:
d7cde563a71416c31bca90d745c666e7dc50c71bbfe2f164cda37a2714a0772e
Status:
ERROR
Block height:
39858576
Block id:
5f4b24d8f7096b2b46989cdffab3f649a26216cd32ef67feec51d02a2f3e3001
Timestamp:
Friday 28 October 2022 at 09:14:28 UTC
()
Proposer:
Authorizers:
Gas used:
49