Flow price: --
dd934330b6f980d5167568f2f367c9423c5a9a2fbf06925ab5d4172518343270

Transaction

Hash: dd934330b6f980d5167568f2f367c9423c5a9a2fbf06925ab5d4172518343270
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dd934330b6f980d5167568f2f367c9423c5a9a2fbf06925ab5d4172518343270:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dd934330b6f980d5167568f2f367c9423c5a9a2fbf06925ab5d4172518343270
Status:
ERROR
Block height:
39995286
Block id:
db83f9b4eb47aae328a468b3b8af5df3128963b18cfe10b50a31f17979ba6560
Timestamp:
Sunday 30 October 2022 at 15:52:39 UTC
()
Proposer:
Authorizers:
Gas used:
47