Flow price: --
cce786b3941dfe08e4607ed663212c34b7f98dc234c1796e3c92e0a2bd85c843

Transaction

Hash: cce786b3941dfe08e4607ed663212c34b7f98dc234c1796e3c92e0a2bd85c843
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cce786b3941dfe08e4607ed663212c34b7f98dc234c1796e3c92e0a2bd85c843:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cce786b3941dfe08e4607ed663212c34b7f98dc234c1796e3c92e0a2bd85c843
Status:
ERROR
Block height:
40137999
Block id:
0191570c9aeef2553f7f156a66d854e7f04a93fb54be7f5a15827a8d001de6f1
Timestamp:
Wednesday 2 November 2022 at 01:21:50 UTC
()
Proposer:
Authorizers:
Gas used:
47