Flow price: --
d66ac8a6a61a2974f6e5e756396a82f2f93682f197417aae95b7878cfaaf4a29

Transaction

Hash: d66ac8a6a61a2974f6e5e756396a82f2f93682f197417aae95b7878cfaaf4a29
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d66ac8a6a61a2974f6e5e756396a82f2f93682f197417aae95b7878cfaaf4a29:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d66ac8a6a61a2974f6e5e756396a82f2f93682f197417aae95b7878cfaaf4a29
Status:
ERROR
Block height:
39762464
Block id:
68972d87162eb3e13f36cd8a6a85d42a168a9a4d766b7b1e52a046cb49fd8997
Timestamp:
Wednesday 26 October 2022 at 18:28:13 UTC
()
Proposer:
Authorizers:
Gas used:
47