Flow price: --
4ac22f26e8d4f680dca37809782552b7a95b2385dd7b436c84da1efb9fd7cec5

Transaction

Hash: 4ac22f26e8d4f680dca37809782552b7a95b2385dd7b436c84da1efb9fd7cec5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4ac22f26e8d4f680dca37809782552b7a95b2385dd7b436c84da1efb9fd7cec5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4ac22f26e8d4f680dca37809782552b7a95b2385dd7b436c84da1efb9fd7cec5
Status:
ERROR
Block height:
40023058
Block id:
304fa3f81fb92e2289c99fe2bf2f42d89ea537252230244a4c2a8fe2dfc5f1f8
Timestamp:
Monday 31 October 2022 at 02:55:16 UTC
()
Proposer:
Authorizers:
Gas used:
47