Flow price: --
8a3f8f1800023b9a586d3156770aad4d7ff8cad176f22c5e5591453b0c3ee022

Transaction

Hash: 8a3f8f1800023b9a586d3156770aad4d7ff8cad176f22c5e5591453b0c3ee022
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8a3f8f1800023b9a586d3156770aad4d7ff8cad176f22c5e5591453b0c3ee022:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8a3f8f1800023b9a586d3156770aad4d7ff8cad176f22c5e5591453b0c3ee022
Status:
ERROR
Block height:
40043712
Block id:
4cb54cce6b808546c2ae3e03d686b0c390cdca537d5c1d9c5c87a4f70b38ace5
Timestamp:
Monday 31 October 2022 at 11:14:17 UTC
()
Proposer:
Authorizers:
Gas used:
47