Flow price: --
4908266d62a4d0d5843b97ee5038c7b0e91f7d157786a4ff51f0fb71f63b7db2

Transaction

Hash: 4908266d62a4d0d5843b97ee5038c7b0e91f7d157786a4ff51f0fb71f63b7db2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4908266d62a4d0d5843b97ee5038c7b0e91f7d157786a4ff51f0fb71f63b7db2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4908266d62a4d0d5843b97ee5038c7b0e91f7d157786a4ff51f0fb71f63b7db2
Status:
ERROR
Block height:
39971600
Block id:
21d4286fe8a08330f3fcff80d09be0f04b60dc4a018bcd9415764456abc45f0b
Timestamp:
Sunday 30 October 2022 at 06:24:13 UTC
()
Proposer:
Authorizers:
Gas used:
49