Flow price: --
f16b9a490fa307e7574fafced2e22c88d8a1c5e5e2bfd3c6702e702ee1e6f969

Transaction

Hash: f16b9a490fa307e7574fafced2e22c88d8a1c5e5e2bfd3c6702e702ee1e6f969
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f16b9a490fa307e7574fafced2e22c88d8a1c5e5e2bfd3c6702e702ee1e6f969:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f16b9a490fa307e7574fafced2e22c88d8a1c5e5e2bfd3c6702e702ee1e6f969
Status:
ERROR
Block height:
39985068
Block id:
dfd19f1fea94282056f2b9d63d4fa64ea555d29cefd1208ba446f4be05fb5016
Timestamp:
Sunday 30 October 2022 at 11:47:03 UTC
()
Proposer:
Authorizers:
Gas used:
47