Flow price: --
43ee765b5b8035588664aebcf395943d3a6724d785fab2cb12062b494f5dbe20

Transaction

Hash: 43ee765b5b8035588664aebcf395943d3a6724d785fab2cb12062b494f5dbe20
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 43ee765b5b8035588664aebcf395943d3a6724d785fab2cb12062b494f5dbe20:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
43ee765b5b8035588664aebcf395943d3a6724d785fab2cb12062b494f5dbe20
Status:
ERROR
Block height:
40059709
Block id:
c66cb3d6b958c6cbc636d6b1f5314b6f5a6672eac9b646def62f8583f43d1f76
Timestamp:
Monday 31 October 2022 at 17:42:38 UTC
()
Proposer:
Authorizers:
Gas used:
46