Flow price: --
2fde6cf174df36a0441426b5ea4495a11fe7c73f97f92fc9a15af8b3130037f4

Transaction

Hash: 2fde6cf174df36a0441426b5ea4495a11fe7c73f97f92fc9a15af8b3130037f4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2fde6cf174df36a0441426b5ea4495a11fe7c73f97f92fc9a15af8b3130037f4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2fde6cf174df36a0441426b5ea4495a11fe7c73f97f92fc9a15af8b3130037f4
Status:
ERROR
Block height:
39885861
Block id:
d2b4a627ae6ec5d12ef714d94ce0d40a74164ce03ccf2e2353f18127a0353882
Timestamp:
Friday 28 October 2022 at 20:09:28 UTC
()
Proposer:
Authorizers:
Gas used:
49