Flow price: --
a7298bf5fe49d875274067fb76ab72e9ea7e07909b956b1d5ffcc94775425123

Transaction

Hash: a7298bf5fe49d875274067fb76ab72e9ea7e07909b956b1d5ffcc94775425123
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a7298bf5fe49d875274067fb76ab72e9ea7e07909b956b1d5ffcc94775425123:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a7298bf5fe49d875274067fb76ab72e9ea7e07909b956b1d5ffcc94775425123
Status:
ERROR
Block height:
40020402
Block id:
912b20fd691a7e4ebcf616756c1d7a39f01070ad6892508bf503545053a7e6ba
Timestamp:
Monday 31 October 2022 at 01:51:52 UTC
()
Proposer:
Authorizers:
Gas used:
50