Flow price: --
1f3ac5131fe7ca3b0cd9227c495df78b77b709f1197fbe3d7e1728aef1bc6d89

Transaction

Hash: 1f3ac5131fe7ca3b0cd9227c495df78b77b709f1197fbe3d7e1728aef1bc6d89
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f3ac5131fe7ca3b0cd9227c495df78b77b709f1197fbe3d7e1728aef1bc6d89:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1f3ac5131fe7ca3b0cd9227c495df78b77b709f1197fbe3d7e1728aef1bc6d89
Status:
ERROR
Block height:
39957878
Block id:
ecbfcce0b040fe833a2b94c9bee2a454922895e896dbf0872f6f181389510887
Timestamp:
Sunday 30 October 2022 at 00:55:18 UTC
()
Proposer:
Authorizers:
Gas used:
46