Flow price: --
4c7091b2a67899b42a2106b2d35a152058b2ab3f2b2b238cd5a8c5ba91fd30d3

Transaction

Hash: 4c7091b2a67899b42a2106b2d35a152058b2ab3f2b2b238cd5a8c5ba91fd30d3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c7091b2a67899b42a2106b2d35a152058b2ab3f2b2b238cd5a8c5ba91fd30d3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4c7091b2a67899b42a2106b2d35a152058b2ab3f2b2b238cd5a8c5ba91fd30d3
Status:
ERROR
Block height:
39974843
Block id:
408b75660541e8c6985dedbfcd2953e7d2b639bc62dd61f95844b11eabc5b837
Timestamp:
Sunday 30 October 2022 at 07:42:25 UTC
()
Proposer:
Authorizers:
Gas used:
46