Flow price: --
ad16a3f2515350a4d41b79bbcac8c712be41ef392a63540bb8f50dfbd5b830a9

Transaction

Hash: ad16a3f2515350a4d41b79bbcac8c712be41ef392a63540bb8f50dfbd5b830a9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ad16a3f2515350a4d41b79bbcac8c712be41ef392a63540bb8f50dfbd5b830a9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ad16a3f2515350a4d41b79bbcac8c712be41ef392a63540bb8f50dfbd5b830a9
Status:
ERROR
Block height:
39856335
Block id:
c95747800ff0de49a34414bce7dc8e346dec1eff2211f31899e84930beb0d47b
Timestamp:
Friday 28 October 2022 at 08:20:51 UTC
()
Proposer:
Authorizers:
Gas used:
46