Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.

[algomaschine]

AutoML progress: |██████████████████████████████▏ | 48%
18:31:52.181: StackedEnsemble_BestOfFamily_5_AutoML_2_20221210_182718 [StackedEnsemble best_of_family_2 (built with AUTO metalearner, using top model from each algorithm type)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.
18:31:52.244: StackedEnsemble_AllModels_4_AutoML_2_20221210_182718 [StackedEnsemble all_2 (built with AUTO metalearner, using all AutoML models)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.

AutoML progress: |████████████████████████████████████████ | 63%
18:33:30.148: StackedEnsemble_BestOfFamily_6_AutoML_2_20221210_182718 [StackedEnsemble best_of_family_3 (built with AUTO metalearner, using top model from each algorithm type)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.
18:33:30.226: StackedEnsemble_AllModels_5_AutoML_2_20221210_182718 [StackedEnsemble all_3 (built with AUTO metalearner, using all AutoML models)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.

AutoML progress: |████████████████████████████████████████████████████████████▍ | 95%
18:36:51.878: StackedEnsemble_BestOfFamily_7_AutoML_2_20221210_182718 [StackedEnsemble best_of_family_4 (built with AUTO metalearner, using top model from each algorithm type)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.
18:36:51.940: StackedEnsemble_AllModels_6_AutoML_2_20221210_182718 [StackedEnsemble all_4 (built with AUTO metalearner, using all AutoML models)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.

AutoML progress: |███████████████████████████████████████████████████████████████ (done)| 100%

18:37:15.494: StackedEnsemble_BestOfFamily_8_AutoML_2_20221210_182718 [StackedEnsemble best_of_family_5 (built with AUTO metalearner, using top model from each algorithm type)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.
18:37:15.557: StackedEnsemble_AllModels_7_AutoML_2_20221210_182718 [StackedEnsemble all_5 (built with AUTO metalearner, using all AutoML models)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.
18:37:18.236: GBM_lr_annealing_selection_AutoML_2_20221210_182718 [GBM lr_annealing] failed: water.exceptions.H2OIllegalArgumentException: Can only convert jobs producing a single Model or ModelContainer.
18:37:18.283: StackedEnsemble_BestOfFamily_9_AutoML_2_20221210_182718 [StackedEnsemble best_of_family_gbm (built with gbm metalearner, using top model from each algorithm type)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.
18:37:18.345: StackedEnsemble_AllModels_8_AutoML_2_20221210_182718 [StackedEnsemble all_gbm (built with gbm metalearner, using all AutoML models)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.
18:37:18.408: StackedEnsemble_BestOfFamily_10_AutoML_2_20221210_182718 [StackedEnsemble best_of_family_xglm (built with AUTO metalearner, using top model from each algorithm type)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.
18:37:18.486: StackedEnsemble_AllModels_9_AutoML_2_20221210_182718 [StackedEnsemble all_xglm (built with AUTO metalearner, using all AutoML models)] failed: water.exceptions.H2OIllegalArgumentException: Failed to find the xval predictions frame. . . Looks like keep_cross_validation_predictions wasn't set when building the models, or the frame was deleted.

generated file C:\Users\Administrator\Desktop\snp ephem\ap-models\h2o-models\GBM_9_AutoML_2_20221210_182718

So I have the same dataset exactly with various target values (different files of course), some work, but some give this error and no models get generated and saved into file. Could someone please explain how could I fix it?

THANKS A BIG TIME!