Flow price: --
b132244fef5c782e3d76f4c34027bd08155f1205a3e3f4827887ba6a9a3101c8

Transaction

Hash: b132244fef5c782e3d76f4c34027bd08155f1205a3e3f4827887ba6a9a3101c8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b132244fef5c782e3d76f4c34027bd08155f1205a3e3f4827887ba6a9a3101c8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b132244fef5c782e3d76f4c34027bd08155f1205a3e3f4827887ba6a9a3101c8
Status:
ERROR
Block height:
40158802
Block id:
8f06c20adda386004ba2ae98905ae90c7c5447178eaa5303b17023bc8fcf10ee
Timestamp:
Wednesday 2 November 2022 at 09:48:50 UTC
()
Proposer:
Authorizers:
Gas used:
47