Flow price: --
92b0cb1723f97b751e43917074e3a7ca9da06e9b28dfd11bc4f23b08061f3167

Transaction

Hash: 92b0cb1723f97b751e43917074e3a7ca9da06e9b28dfd11bc4f23b08061f3167
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 92b0cb1723f97b751e43917074e3a7ca9da06e9b28dfd11bc4f23b08061f3167:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
92b0cb1723f97b751e43917074e3a7ca9da06e9b28dfd11bc4f23b08061f3167
Status:
ERROR
Block height:
39933029
Block id:
1d326342c946fb33d3271285eaf58e9d55f5c2e5c355628921a2a85916891e1d
Timestamp:
Saturday 29 October 2022 at 15:03:12 UTC
()
Proposer:
Authorizers:
Gas used:
50