Flow price: --
7362b0165817e2f36c859bf673384c043f43cb9cce6d6bfa470eb7d4782ee507

Transaction

Hash: 7362b0165817e2f36c859bf673384c043f43cb9cce6d6bfa470eb7d4782ee507
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7362b0165817e2f36c859bf673384c043f43cb9cce6d6bfa470eb7d4782ee507:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7362b0165817e2f36c859bf673384c043f43cb9cce6d6bfa470eb7d4782ee507
Status:
ERROR
Block height:
40099528
Block id:
bc554cb498e25a54b4a9a4023ed4374983db1c8c3c4ce681656ddead5472e448
Timestamp:
Tuesday 1 November 2022 at 09:43:51 UTC
()
Proposer:
Authorizers:
Gas used:
47