Flow price: --
9b56a64363dbb4c5da040c06ddea9a3fbf14ea98d2f1963a0f14dead60677f30

Transaction

Hash: 9b56a64363dbb4c5da040c06ddea9a3fbf14ea98d2f1963a0f14dead60677f30
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9b56a64363dbb4c5da040c06ddea9a3fbf14ea98d2f1963a0f14dead60677f30:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9b56a64363dbb4c5da040c06ddea9a3fbf14ea98d2f1963a0f14dead60677f30
Status:
ERROR
Block height:
40095301
Block id:
4bf079b7b3a725c0a1d392cfd32329c829775743614627e2149f2ee293f75b72
Timestamp:
Tuesday 1 November 2022 at 08:00:52 UTC
()
Proposer:
Authorizers:
Gas used:
46