Flow price: --
a73553678cf82a1a54304e5f3cb4a8d93392e8b610c071a8267bc76ca2a072d8

Transaction

Hash: a73553678cf82a1a54304e5f3cb4a8d93392e8b610c071a8267bc76ca2a072d8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a73553678cf82a1a54304e5f3cb4a8d93392e8b610c071a8267bc76ca2a072d8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a73553678cf82a1a54304e5f3cb4a8d93392e8b610c071a8267bc76ca2a072d8
Status:
ERROR
Block height:
39903716
Block id:
b5a54a094aea2b2de3d736838622922cc1558661416ecc026e5626c80bedfc97
Timestamp:
Saturday 29 October 2022 at 03:14:51 UTC
()
Proposer:
Authorizers:
Gas used:
47