Flow price: --
1c1f5a83ef61999ddfeb642b10d88639c35d051a9e961520d283120161db7e0c

Transaction

Hash: 1c1f5a83ef61999ddfeb642b10d88639c35d051a9e961520d283120161db7e0c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1c1f5a83ef61999ddfeb642b10d88639c35d051a9e961520d283120161db7e0c: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:
1c1f5a83ef61999ddfeb642b10d88639c35d051a9e961520d283120161db7e0c
Status:
ERROR
Block height:
39763472
Block id:
2379ff8dfc4eeb908128e7f2a7cac2407a331db1e6db5d3e43abc9fe325f1102
Timestamp:
Wednesday 26 October 2022 at 18:52:40 UTC
()
Proposer:
Authorizers:
Gas used:
49