Flow price: --
210339dcded751bf6b4836de1c48347e6eff2fb453ce7335c2b1cdb8fe8d9112

Transaction

Hash: 210339dcded751bf6b4836de1c48347e6eff2fb453ce7335c2b1cdb8fe8d9112
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 210339dcded751bf6b4836de1c48347e6eff2fb453ce7335c2b1cdb8fe8d9112:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
210339dcded751bf6b4836de1c48347e6eff2fb453ce7335c2b1cdb8fe8d9112
Status:
ERROR
Block height:
39972334
Block id:
ec5d8573abd85aa6d5e4cd533ffe0489455917b710c34a0dffaf2c94a471db77
Timestamp:
Sunday 30 October 2022 at 06:41:47 UTC
()
Proposer:
Authorizers:
Gas used:
50