Flow price: --
718714af5258abd9fd2503a2b33aab61b45ea562e7daf18f85d3a37c4f13d2ce

Transaction

Hash: 718714af5258abd9fd2503a2b33aab61b45ea562e7daf18f85d3a37c4f13d2ce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 718714af5258abd9fd2503a2b33aab61b45ea562e7daf18f85d3a37c4f13d2ce: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:
718714af5258abd9fd2503a2b33aab61b45ea562e7daf18f85d3a37c4f13d2ce
Status:
ERROR
Block height:
39751886
Block id:
1d6622554e700222e6e559b0ace7fc36619b8cd920ddb903b33f63e2d63a56ed
Timestamp:
Wednesday 26 October 2022 at 14:12:11 UTC
()
Proposer:
Authorizers:
Gas used:
50