Flow price: --
7c4fdbab725334bc6004d4c4a90fd6f14fec6e6a0da750ab8c1dc3acddff7bd3

Transaction

Hash: 7c4fdbab725334bc6004d4c4a90fd6f14fec6e6a0da750ab8c1dc3acddff7bd3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7c4fdbab725334bc6004d4c4a90fd6f14fec6e6a0da750ab8c1dc3acddff7bd3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7c4fdbab725334bc6004d4c4a90fd6f14fec6e6a0da750ab8c1dc3acddff7bd3
Status:
ERROR
Block height:
39858731
Block id:
a99fb2319cced0658f51db5e4bbbc072a8e2b844dc3eba591f75cbbae05837e5
Timestamp:
Friday 28 October 2022 at 09:18:15 UTC
()
Proposer:
Authorizers:
Gas used:
48