Flow price: --
b315a96adfbded63360d3a7d400bda69730a060459aa6a35baaa82ba69779ae6

Transaction

Hash: b315a96adfbded63360d3a7d400bda69730a060459aa6a35baaa82ba69779ae6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b315a96adfbded63360d3a7d400bda69730a060459aa6a35baaa82ba69779ae6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b315a96adfbded63360d3a7d400bda69730a060459aa6a35baaa82ba69779ae6
Status:
ERROR
Block height:
40034283
Block id:
2bbf1951853855f802f6a2a22da5f34dec3de37874d28ab76020212ad32e7fee
Timestamp:
Monday 31 October 2022 at 07:26:43 UTC
()
Proposer:
Authorizers:
Gas used:
50