Flow price: --
427972b71a851905e868e813aaa55de1ed6ff0b6cc1a0ef580b4b54094487336

Transaction

Hash: 427972b71a851905e868e813aaa55de1ed6ff0b6cc1a0ef580b4b54094487336
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 427972b71a851905e868e813aaa55de1ed6ff0b6cc1a0ef580b4b54094487336:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
427972b71a851905e868e813aaa55de1ed6ff0b6cc1a0ef580b4b54094487336
Status:
ERROR
Block height:
39919706
Block id:
0fb0dbb1b0e9e8969528fd89f92a845d42949faca0c082ba8b04c4eae98c5edb
Timestamp:
Saturday 29 October 2022 at 09:39:38 UTC
()
Proposer:
Authorizers:
Gas used:
46