Flow price: --
0771861c50d5be3c76414a7ff20e6de084c7cc1da71037e30993a7d3881c6459

Transaction

Hash: 0771861c50d5be3c76414a7ff20e6de084c7cc1da71037e30993a7d3881c6459
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0771861c50d5be3c76414a7ff20e6de084c7cc1da71037e30993a7d3881c6459:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0771861c50d5be3c76414a7ff20e6de084c7cc1da71037e30993a7d3881c6459
Status:
ERROR
Block height:
39963196
Block id:
2a5685c90c6e4bc1070ae99a8b7d102bcd26d6c9d16049ff0208a9454f9d1a15
Timestamp:
Sunday 30 October 2022 at 03:01:57 UTC
()
Proposer:
Authorizers:
Gas used:
47