Flow price: --
9226b0d628b08dd71ce8b3ac4a7fa21abae21dae50a42b55dee154deecbafd64

Transaction

Hash: 9226b0d628b08dd71ce8b3ac4a7fa21abae21dae50a42b55dee154deecbafd64
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9226b0d628b08dd71ce8b3ac4a7fa21abae21dae50a42b55dee154deecbafd64:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9226b0d628b08dd71ce8b3ac4a7fa21abae21dae50a42b55dee154deecbafd64
Status:
ERROR
Block height:
40053269
Block id:
0851e12ccb5f142b3e93fe68b5f5e0c46b179d58902e39e68df0f77eabf53637
Timestamp:
Monday 31 October 2022 at 15:05:29 UTC
()
Proposer:
Authorizers:
Gas used:
47