Flow price: --
c9013a43a7189515bd1331ffc6d584278c9048a10488ddc40cfb83b3c35a58fb

Transaction

Hash: c9013a43a7189515bd1331ffc6d584278c9048a10488ddc40cfb83b3c35a58fb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c9013a43a7189515bd1331ffc6d584278c9048a10488ddc40cfb83b3c35a58fb: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:
c9013a43a7189515bd1331ffc6d584278c9048a10488ddc40cfb83b3c35a58fb
Status:
ERROR
Block height:
40160877
Block id:
79abf23be00914fd78e3ee70773cc33b111db66af48ca303ef87ccc79d370d86
Timestamp:
Wednesday 2 November 2022 at 10:39:52 UTC
()
Proposer:
Authorizers:
Gas used:
48