Flow price: --
dd25aeb9c6bbb02f522bad4d835a8d02955cdae0795c4ad1bc6ad8a4806cdfa4

Transaction

Hash: dd25aeb9c6bbb02f522bad4d835a8d02955cdae0795c4ad1bc6ad8a4806cdfa4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dd25aeb9c6bbb02f522bad4d835a8d02955cdae0795c4ad1bc6ad8a4806cdfa4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dd25aeb9c6bbb02f522bad4d835a8d02955cdae0795c4ad1bc6ad8a4806cdfa4
Status:
ERROR
Block height:
39962555
Block id:
cf1f5be7f2f9a2840e0462fe9bc1ccbc5eb7730980e4adc96ac9ebadf331399e
Timestamp:
Sunday 30 October 2022 at 02:46:41 UTC
()
Proposer:
Authorizers:
Gas used:
49