Flow price: --
e4f21ce21da6c7d40b82be6a0c7e63837a1ac1e894870ae8b835b99a812cff26

Transaction

Hash: e4f21ce21da6c7d40b82be6a0c7e63837a1ac1e894870ae8b835b99a812cff26
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e4f21ce21da6c7d40b82be6a0c7e63837a1ac1e894870ae8b835b99a812cff26:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e4f21ce21da6c7d40b82be6a0c7e63837a1ac1e894870ae8b835b99a812cff26
Status:
ERROR
Block height:
39812718
Block id:
236de67a07a5ec641672e0582c6b4fc5388d7dd64adc732e3cc0a3b6023dc370
Timestamp:
Thursday 27 October 2022 at 14:43:32 UTC
()
Proposer:
Authorizers:
Gas used:
47