Flow price: --
682e993ed382d578364a4b79f4d001cf55fb905de0c57fbea70097e9fee4cf14

Transaction

Hash: 682e993ed382d578364a4b79f4d001cf55fb905de0c57fbea70097e9fee4cf14
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 682e993ed382d578364a4b79f4d001cf55fb905de0c57fbea70097e9fee4cf14:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
682e993ed382d578364a4b79f4d001cf55fb905de0c57fbea70097e9fee4cf14
Status:
ERROR
Block height:
40038342
Block id:
29ab90fc5f0f3bc176be9826089eb698e1d8c50b08bf5b8f8b9931e883bf12e3
Timestamp:
Monday 31 October 2022 at 09:03:46 UTC
()
Proposer:
Authorizers:
Gas used:
50