Flow price: --
2b0fee4944c5e4101e95a48972fb134a5631af492efdcacfa6b06c1472f39bcb

Transaction

Hash: 2b0fee4944c5e4101e95a48972fb134a5631af492efdcacfa6b06c1472f39bcb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2b0fee4944c5e4101e95a48972fb134a5631af492efdcacfa6b06c1472f39bcb: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:
2b0fee4944c5e4101e95a48972fb134a5631af492efdcacfa6b06c1472f39bcb
Status:
ERROR
Block height:
39764694
Block id:
8d6ed0868f0523479d0206816167d65dcb3835421ac673b359151ab16a4a65af
Timestamp:
Wednesday 26 October 2022 at 19:22:15 UTC
()
Proposer:
Authorizers:
Gas used:
46