Flow price: --
45882f0fe85c6677f6e41a1748699443dce78e9006d5f8c836709be1a2e0e9f7

Transaction

Hash: 45882f0fe85c6677f6e41a1748699443dce78e9006d5f8c836709be1a2e0e9f7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 45882f0fe85c6677f6e41a1748699443dce78e9006d5f8c836709be1a2e0e9f7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
45882f0fe85c6677f6e41a1748699443dce78e9006d5f8c836709be1a2e0e9f7
Status:
ERROR
Block height:
40102952
Block id:
afe2b9fc2a3f634504d3febfb7cfe9e4282c38a055a627e03096da66e8f1578e
Timestamp:
Tuesday 1 November 2022 at 11:06:57 UTC
()
Proposer:
Authorizers:
Gas used:
48