Flow price: --
5f9bc04de2e7164e95d7b41b0038225dcb1b11f6991a1f46c27e2d54bc0481a0

Transaction

Hash: 5f9bc04de2e7164e95d7b41b0038225dcb1b11f6991a1f46c27e2d54bc0481a0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5f9bc04de2e7164e95d7b41b0038225dcb1b11f6991a1f46c27e2d54bc0481a0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5f9bc04de2e7164e95d7b41b0038225dcb1b11f6991a1f46c27e2d54bc0481a0
Status:
ERROR
Block height:
40120155
Block id:
517deda9fb8b4f49fa5e79dd9d6300eab5b3ba64eaaaf9f353d0cf685344ba01
Timestamp:
Tuesday 1 November 2022 at 18:04:55 UTC
()
Proposer:
Authorizers:
Gas used:
58