Flow price: --
3d6af7302d502e79ccd785a446d903137bd3e36c3040b8dac451435e4e614d54

Transaction

Hash: 3d6af7302d502e79ccd785a446d903137bd3e36c3040b8dac451435e4e614d54
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3d6af7302d502e79ccd785a446d903137bd3e36c3040b8dac451435e4e614d54:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3d6af7302d502e79ccd785a446d903137bd3e36c3040b8dac451435e4e614d54
Status:
ERROR
Block height:
40021072
Block id:
e3093ef048d3ff15c4a5c924c671cf02d23602f1eb03d7b696dc25d5b6c554cf
Timestamp:
Monday 31 October 2022 at 02:07:56 UTC
()
Proposer:
Authorizers:
Gas used:
48