Flow price: --
c5e919b246fce894bc8da385b485eb51303c7000b5b477b872e39b2ea584a395

Transaction

Hash: c5e919b246fce894bc8da385b485eb51303c7000b5b477b872e39b2ea584a395
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c5e919b246fce894bc8da385b485eb51303c7000b5b477b872e39b2ea584a395:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c5e919b246fce894bc8da385b485eb51303c7000b5b477b872e39b2ea584a395
Status:
ERROR
Block height:
40037480
Block id:
8e99c2cfa8be6169829056b8a57dd69e0af823ecc31d98d39dfe0d30d500b98e
Timestamp:
Monday 31 October 2022 at 08:42:37 UTC
()
Proposer:
Authorizers:
Gas used:
49