Flow price: --
164874f4dc18f86d1cb78a3d2534a365f708276d3fd43fa242a447d910af6efe

Transaction

Hash: 164874f4dc18f86d1cb78a3d2534a365f708276d3fd43fa242a447d910af6efe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 164874f4dc18f86d1cb78a3d2534a365f708276d3fd43fa242a447d910af6efe: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:
164874f4dc18f86d1cb78a3d2534a365f708276d3fd43fa242a447d910af6efe
Status:
ERROR
Block height:
40034142
Block id:
62e4ab2f8674e4771a46cf6a97fcd14d4fdce0ea3ad5718014d3a98e4e7d0202
Timestamp:
Monday 31 October 2022 at 07:23:18 UTC
()
Proposer:
Authorizers:
Gas used:
47