2022-05-13 04:40:01 [ERROR] <TRIAL>: The value
  +
is not of type
  NUMBER
when binding SB-KERNEL::X
   [Condition of type TYPE-ERROR]

#<ENVIRONMENT {101D843C03}>
   [Environment of thread #<THREAD "render-loop" RUNNING {1015189773}>]

Available restarts:
 0: [ABORT] Abort the update and retry.
 1: [RESET-RENDER-LOOP] Reset the render loop timing, not catching up with lost frames.
 2: [EXIT-RENDER-LOOP] Exit the render loop entirely.
 3: [ABORT] abort thread (#<THREAD "render-loop" RUNNING {1015189773}>)

Backtrace:
 7: (STANDALONE-ERROR-HANDLER The value + is not of type NUMBER when binding SB-KERNEL::X TRIAL)
 8: (SB-KERNEL::%SIGNAL The value + is not of type NUMBER when binding SB-KERNEL::X)
 9: (ERROR The value + is not of type NUMBER when binding SB-KERNEL::X)
 10: (SB-KERNEL:OBJECT-NOT-TYPE-ERROR + NUMBER)
 11: (SB-KERNEL:INTERNAL-ERROR #.(SB-SYS:INT-SAP #X14CEDF70) #<unused argument>)
 12: ("foreign function: #x140030F7A")
 13: ("foreign function: #x140004968")
2022-05-13 04:40:01 [FATAL] <TRIAL>: Encountered unhandled error in #<THREAD "render-loop" RUNNING {1015189773}>, bailing.