Flow price: --
9c0f44891eb4688b9e71a4959d1249773f4f066c2370c76b1378a615d2fa4f1e

Transaction

Hash: 9c0f44891eb4688b9e71a4959d1249773f4f066c2370c76b1378a615d2fa4f1e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c0f44891eb4688b9e71a4959d1249773f4f066c2370c76b1378a615d2fa4f1e: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:
9c0f44891eb4688b9e71a4959d1249773f4f066c2370c76b1378a615d2fa4f1e
Status:
ERROR
Block height:
39953061
Block id:
50d976d67096170bf1d772801af211d80212071d44a5435c72df3241560a0b45
Timestamp:
Saturday 29 October 2022 at 23:01:23 UTC
()
Proposer:
Authorizers:
Gas used:
46