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ValueError: Column name ['action'] not in the dataset.

bugSomething isn’t working correctlySomething isn’t working correctly

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

documentationImprovements or fixes to the project’s docsImprovements or fixes to the project’s docs

questionRequests for clarification or additional informationRequests for clarification or additional information

teleoperatorsEverything related to teleoperatorsEverything related to teleoperators

Status: Open.

#3039 In huggingface/lerobot;

· anu120 opened on Feb 26, 2026

What's the reason of having tensor -> numpy -> tensor conversion in GR00T processor?

policiesItems related to robot policiesItems related to robot policies

processorIssue related to processorIssue related to processor

questionRequests for clarification or additional informationRequests for clarification or additional information

trainingIssues related at training timeIssues related at training time

Status: Open.

#3000 In huggingface/lerobot;

· arxrean opened on Feb 22, 2026

How to add extra episode meta data to the dataset

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

questionRequests for clarification or additional informationRequests for clarification or additional information

Status: Open.

#2999 In huggingface/lerobot;

· yuecideng opened on Feb 21, 2026

Reinforcement Learning in LiberoEnv

configurationProblems with configuration files or settingsProblems with configuration files or settings

policiesItems related to robot policiesItems related to robot policies

questionRequests for clarification or additional informationRequests for clarification or additional information

trainingIssues related at training timeIssues related at training time

Status: Open.

#2994 In huggingface/lerobot;

· razarcon3 opened on Feb 20, 2026

Async inference behaves differently between migrated older models and newly trained models

bugSomething isn’t working correctlySomething isn’t working correctly

configurationProblems with configuration files or settingsProblems with configuration files or settings

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

documentationImprovements or fixes to the project’s docsImprovements or fixes to the project’s docs

performanceIssues aimed at improving speed or resource usageIssues aimed at improving speed or resource usage

policiesItems related to robot policiesItems related to robot policies

questionRequests for clarification or additional informationRequests for clarification or additional information

sensorsEverything related to sensorsEverything related to sensors

trainingIssues related at training timeIssues related at training time

Status: Open.

#2980 In huggingface/lerobot;

· aShunSasaki opened on Feb 17, 2026

lerobot_train script fails training with lerobot/libero dataset

bugSomething isn’t working correctlySomething isn’t working correctly

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

policiesItems related to robot policiesItems related to robot policies

trainingIssues related at training timeIssues related at training time

Status: Open.

#2975 In huggingface/lerobot;

· ozgraslan opened on Feb 16, 2026

pi05_base pretrained model has action/state dimension mismatch with lerobot/libero dataset, causing official Quick Start example to fail

bugSomething isn’t working correctlySomething isn’t working correctly

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

dependenciesConcerns about external packages, libraries, or versioningConcerns about external packages, libraries, or versioning

documentationImprovements or fixes to the project’s docsImprovements or fixes to the project’s docs

examplesIssues related to the examplesIssues related to the examples

policiesItems related to robot policiesItems related to robot policies

Status: Open.

#2963 In huggingface/lerobot;

· krys613 opened on Feb 12, 2026

policy.path option broken when loading config from yaml

bugSomething isn’t working correctlySomething isn’t working correctly

configurationProblems with configuration files or settingsProblems with configuration files or settings

policiesItems related to robot policiesItems related to robot policies

trainingIssues related at training timeIssues related at training time

Status: Open.

#2957 In huggingface/lerobot;

· reeceomahoney opened on Feb 11, 2026

X-VLA LIBERO: Eval pipeline crashes with <code>bfloat16</code> models due to numpy incompatibility

bugSomething isn’t working correctlySomething isn’t working correctly

configurationProblems with configuration files or settingsProblems with configuration files or settings

evaluationFor issues or PRs related to environment evaluation, and benchmarks.For issues or PRs related to environment evaluation, and benchmarks.

policiesItems related to robot policiesItems related to robot policies

processorIssue related to processorIssue related to processor

trainingIssues related at training timeIssues related at training time

Status: Open.

#2956 In huggingface/lerobot;

· gianlucageraci opened on Feb 11, 2026

X-VLA LIBERO: Duplicated Steps in Environment and Policy PreProcessor during Eval

bugSomething isn’t working correctlySomething isn’t working correctly

evaluationFor issues or PRs related to environment evaluation, and benchmarks.For issues or PRs related to environment evaluation, and benchmarks.

policiesItems related to robot policiesItems related to robot policies

processorIssue related to processorIssue related to processor

Status: Open.

#2955 In huggingface/lerobot;

· gianlucageraci opened on Feb 11, 2026

X-VLA LIBERO: Inconsistent config.json

bugSomething isn’t working correctlySomething isn’t working correctly

configurationProblems with configuration files or settingsProblems with configuration files or settings

datasetIssues regarding data inputs, processing, or datasetsIssues regarding data inputs, processing, or datasets

policiesItems related to robot policiesItems related to robot policies

processorIssue related to processorIssue related to processor

Status: Open.

#2954 In huggingface/lerobot;

· gianlucageraci opened on Feb 11, 2026

HIL-SERL SO101 is not implemented

bugSomething isn’t working correctlySomething isn’t working correctly

documentationImprovements or fixes to the project’s docsImprovements or fixes to the project’s docs

teleoperatorsEverything related to teleoperatorsEverything related to teleoperators

Status: Open.

#2952 In huggingface/lerobot;

· mason-m-lowes opened on Feb 10, 2026