Flow price: --
4d89e6069f69e198656a441a9d284426e67aecffc00c7eff205a8bd46ef9dfbb

Transaction

Hash: 4d89e6069f69e198656a441a9d284426e67aecffc00c7eff205a8bd46ef9dfbb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4d89e6069f69e198656a441a9d284426e67aecffc00c7eff205a8bd46ef9dfbb: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:
4d89e6069f69e198656a441a9d284426e67aecffc00c7eff205a8bd46ef9dfbb
Status:
ERROR
Block height:
39909033
Block id:
a484f8e5cbc486bdb87c571e03a0ecb2b2eaa780cb793ad503450c349c73e83a
Timestamp:
Saturday 29 October 2022 at 05:22:22 UTC
()
Proposer:
Authorizers:
Gas used:
48