Flow price: --
6c32e045b890c8bc3312e30265de8f9a0e642a1adf92f2c4835710a899b239fd

Transaction

Hash: 6c32e045b890c8bc3312e30265de8f9a0e642a1adf92f2c4835710a899b239fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6c32e045b890c8bc3312e30265de8f9a0e642a1adf92f2c4835710a899b239fd: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:
6c32e045b890c8bc3312e30265de8f9a0e642a1adf92f2c4835710a899b239fd
Status:
ERROR
Block height:
40136712
Block id:
bbd50fc7dd7e05acb8cb558a3c977a13cd0b8dada7034e77bdf9f3d34b4d344d
Timestamp:
Wednesday 2 November 2022 at 00:50:35 UTC
()
Proposer:
Authorizers:
Gas used:
49