Flow price: --
c5d1c5bda8e678f887e8876a2c712b4052d37d01ec38c309c3426e2f7fb3eff7

Transaction

Hash: c5d1c5bda8e678f887e8876a2c712b4052d37d01ec38c309c3426e2f7fb3eff7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c5d1c5bda8e678f887e8876a2c712b4052d37d01ec38c309c3426e2f7fb3eff7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c5d1c5bda8e678f887e8876a2c712b4052d37d01ec38c309c3426e2f7fb3eff7
Status:
ERROR
Block height:
39940597
Block id:
e7ab440e30ddf4f957cb5cd5763aead20cfa4e2fcb00a5611f5e2ae078d89a06
Timestamp:
Saturday 29 October 2022 at 18:06:13 UTC
()
Proposer:
Authorizers:
Gas used:
47