Flow price: --
1d35c8c6cee1c19569fa4eb5d1d98f55c51a1898b48b8249d4facbfa6463ec23

Transaction

Hash: 1d35c8c6cee1c19569fa4eb5d1d98f55c51a1898b48b8249d4facbfa6463ec23
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1d35c8c6cee1c19569fa4eb5d1d98f55c51a1898b48b8249d4facbfa6463ec23:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1d35c8c6cee1c19569fa4eb5d1d98f55c51a1898b48b8249d4facbfa6463ec23
Status:
ERROR
Block height:
40079814
Block id:
7690f06175ad1e6823353f792b4dc28ad99a869ea01da48d06fbd1f1fe555208
Timestamp:
Tuesday 1 November 2022 at 01:43:06 UTC
()
Proposer:
Authorizers:
Gas used:
47