Flow price: --
c168f2538b09fd4757e1201edb359fb2263d99f4b9ee06524cb8638a9092bc11

Transaction

Hash: c168f2538b09fd4757e1201edb359fb2263d99f4b9ee06524cb8638a9092bc11
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c168f2538b09fd4757e1201edb359fb2263d99f4b9ee06524cb8638a9092bc11:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c168f2538b09fd4757e1201edb359fb2263d99f4b9ee06524cb8638a9092bc11
Status:
ERROR
Block height:
39897775
Block id:
f5a3d7989d60ccc3580a88592abfc477970ff6d14c2a6948aa8ae1e798d1930a
Timestamp:
Saturday 29 October 2022 at 00:52:49 UTC
()
Proposer:
Authorizers:
Gas used:
47