Flow price: --
65e051b751001f72d14e4166c0472e441a3d3f9d994e42c3f7e50816525c0811

Transaction

Hash: 65e051b751001f72d14e4166c0472e441a3d3f9d994e42c3f7e50816525c0811
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 65e051b751001f72d14e4166c0472e441a3d3f9d994e42c3f7e50816525c0811:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
65e051b751001f72d14e4166c0472e441a3d3f9d994e42c3f7e50816525c0811
Status:
ERROR
Block height:
40023009
Block id:
bb23c98a6c2d912f887069b5082b1e926419625afa47e2270db33878440eb3fd
Timestamp:
Monday 31 October 2022 at 02:54:06 UTC
()
Proposer:
Authorizers:
Gas used:
47