Flow price: --
bb207a9e39e63643f799ba1ed217af5f962820226a533fd013fd6a4981350dd8

Transaction

Hash: bb207a9e39e63643f799ba1ed217af5f962820226a533fd013fd6a4981350dd8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb207a9e39e63643f799ba1ed217af5f962820226a533fd013fd6a4981350dd8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bb207a9e39e63643f799ba1ed217af5f962820226a533fd013fd6a4981350dd8
Status:
ERROR
Block height:
40168854
Block id:
ab6ea287f1fb365443de838060921de876bc3a939158d026a6b2256137c40d98
Timestamp:
Wednesday 2 November 2022 at 13:52:33 UTC
()
Proposer:
Authorizers:
Gas used:
47