While trying to improve: Cannot find block '#MoveSL2BE.MoveSL2BE#'

04:44:46 Project finished 04:44:46 Finished in 21s 04:44:46 com.strategyquant.tradinglib.BlockDefinitionException: Cannot find block '#MoveSL2BE.MoveSL2BE#' at com.strategyquant.tradinglib.Blocks._get(Unknown Source) at com.strategyquant.tradinglib.Blocks.get(Unknown Source) at com.strategyquant.tradinglib.Blocks.getBlockObject(Unknown Source) at com.strategyquant.tradinglib.gp.strategies.FixNonRandomBlocks.negate(Unknown Source) at com.strategyquant.tradinglib.gp.strategies.FixNonRandomBlocks.fixNonRandomElements(Unknown Source) at com.strategyquant.tradinglib.gp.strategies.FixNonRandomBlocks.apply(Unknown Source) at com.strategyquant.tradinglib.gp.EvolutionPipeline.apply(Unknown Source) at com.strategyquant.tradinglib.gp.GPGenerationalEngine.nextEvolutionStep(Unknown Source) at com.strategyquant.tradinglib.gp.GPGenerationalEngine.gpEvolution(Unknown Source) at com.strategyquant.tradinglib.gp.GPGenerationalEngine.evolve(Unknown Source) at com.strategyquant.tradinglib.gp.GPIslandJob.call(Unknown Source) at com.strategyquant.tradinglib.gp.GPIslandJob.call(Unknown Source) at com.strategyquant.gridlib.compute.performer.MultithreadComputePerformer$1.run(Unknown Source) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834)