Flow price: --
a3dd4a6f7830a29b9949325726826fea8bc274800a12939f091f7c34d243fa3f

Transaction

Hash: a3dd4a6f7830a29b9949325726826fea8bc274800a12939f091f7c34d243fa3f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a3dd4a6f7830a29b9949325726826fea8bc274800a12939f091f7c34d243fa3f: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:
a3dd4a6f7830a29b9949325726826fea8bc274800a12939f091f7c34d243fa3f
Status:
ERROR
Block height:
39939991
Block id:
1739a589dccb631a1f048e16a8659c5ab99d104861490da387bdfd4561147267
Timestamp:
Saturday 29 October 2022 at 17:51:44 UTC
()
Proposer:
Authorizers:
Gas used:
46