Flow price: --
4bcab891d6dd2d59ffdd5fe91a41c00183f7ff1764469405015e334dcef18165

Transaction

Hash: 4bcab891d6dd2d59ffdd5fe91a41c00183f7ff1764469405015e334dcef18165
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4bcab891d6dd2d59ffdd5fe91a41c00183f7ff1764469405015e334dcef18165:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4bcab891d6dd2d59ffdd5fe91a41c00183f7ff1764469405015e334dcef18165
Status:
ERROR
Block height:
40037419
Block id:
4372aa597e6d79de43cff4f594d0e46ebc50f6c0a9773559cefe4d19a2c4623b
Timestamp:
Monday 31 October 2022 at 08:41:05 UTC
()
Proposer:
Authorizers:
Gas used:
46