Flow price: --
2f5878e99ccfec31d16b8bdde54036ae0b1cc75c9ed79d1bb29ae289bcd06d18

Transaction

Hash: 2f5878e99ccfec31d16b8bdde54036ae0b1cc75c9ed79d1bb29ae289bcd06d18
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2f5878e99ccfec31d16b8bdde54036ae0b1cc75c9ed79d1bb29ae289bcd06d18:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2f5878e99ccfec31d16b8bdde54036ae0b1cc75c9ed79d1bb29ae289bcd06d18
Status:
ERROR
Block height:
40082016
Block id:
0c9405098aaec0c1e3c8a45e09cbe20b75dd52dacf2ae3f68a1aaeeff73351fb
Timestamp:
Tuesday 1 November 2022 at 02:36:51 UTC
()
Proposer:
Authorizers:
Gas used:
46