Flow price: --
4a724bb132bc238ad510c00b592624e8fc3e615507a6e579b0cda4d80c5f7416

Transaction

Hash: 4a724bb132bc238ad510c00b592624e8fc3e615507a6e579b0cda4d80c5f7416
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4a724bb132bc238ad510c00b592624e8fc3e615507a6e579b0cda4d80c5f7416:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4a724bb132bc238ad510c00b592624e8fc3e615507a6e579b0cda4d80c5f7416
Status:
ERROR
Block height:
40054627
Block id:
e2f19e1904ae629cbe3f79a8c7cb853084ccf071ecda0b74e4abbda1b2b922cb
Timestamp:
Monday 31 October 2022 at 15:38:32 UTC
()
Proposer:
Authorizers:
Gas used:
52