Flow price: --
65e5fc3159689fbbcb8ec909d05ff825fbacec20597c20644c870f0a7ad5c281

Transaction

Hash: 65e5fc3159689fbbcb8ec909d05ff825fbacec20597c20644c870f0a7ad5c281
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 65e5fc3159689fbbcb8ec909d05ff825fbacec20597c20644c870f0a7ad5c281:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
65e5fc3159689fbbcb8ec909d05ff825fbacec20597c20644c870f0a7ad5c281
Status:
ERROR
Block height:
40099590
Block id:
ed16b0c9939656d506fb96b780f9dc46dfce31466c4ca4154914516d67899f54
Timestamp:
Tuesday 1 November 2022 at 09:45:20 UTC
()
Proposer:
Authorizers:
Gas used:
48