Flow price: --
a68230de239d9c5a297ea2705986a718ec836cfb8b5aae6f7b201736dc28af86

Transaction

Hash: a68230de239d9c5a297ea2705986a718ec836cfb8b5aae6f7b201736dc28af86
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a68230de239d9c5a297ea2705986a718ec836cfb8b5aae6f7b201736dc28af86:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a68230de239d9c5a297ea2705986a718ec836cfb8b5aae6f7b201736dc28af86
Status:
ERROR
Block height:
39876072
Block id:
cbc9c5235e908c99f1a0f065549a547bd54382d102885f93a31c33df31a85c6a
Timestamp:
Friday 28 October 2022 at 16:15:21 UTC
()
Proposer:
Authorizers:
Gas used:
59