Flow price: --
74be2c09d3262223ca429e84866e7b277f244bd3798c15a90c9f673d321b773e

Transaction

Hash: 74be2c09d3262223ca429e84866e7b277f244bd3798c15a90c9f673d321b773e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 74be2c09d3262223ca429e84866e7b277f244bd3798c15a90c9f673d321b773e: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:
74be2c09d3262223ca429e84866e7b277f244bd3798c15a90c9f673d321b773e
Status:
ERROR
Block height:
40145083
Block id:
f0ef963995a25c6504714aca35b22aa51d087b37ed4f79adb2025f9337cf909d
Timestamp:
Wednesday 2 November 2022 at 04:13:58 UTC
()
Proposer:
Authorizers:
Gas used:
50