Flow price: --
8afe0777efaa00006f9a5ddabc005c8ad2cc1af9feb29b25c0cd6f93a1feb32b

Transaction

Hash: 8afe0777efaa00006f9a5ddabc005c8ad2cc1af9feb29b25c0cd6f93a1feb32b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8afe0777efaa00006f9a5ddabc005c8ad2cc1af9feb29b25c0cd6f93a1feb32b: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:
8afe0777efaa00006f9a5ddabc005c8ad2cc1af9feb29b25c0cd6f93a1feb32b
Status:
ERROR
Block height:
39874342
Block id:
fc0bc2ee4c414929c4e8efb766a811b4797e85160c2d631c07f00f95d4d283b6
Timestamp:
Friday 28 October 2022 at 15:34:14 UTC
()
Proposer:
Authorizers:
Gas used:
47