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doc:beam/ca8c9005-4d57-4964-962e-89fb4f1bbfb5[Turn 7901] Assistant: Certainly! The error message "Token indices must be between 0 and 511" typically indicates that the token indices in your input sequence are exceeding the model's vocabulary size or the maximum sequence length it can handle. This often happens when the input sequence is too long or contains special tokens that push the indices beyond the allowed range. Let's go through the code and identify potential issues and fixes: ### Potential Issues 1. **Special Tokens**: The tokenizer might be adding special tokens (e.g., `[CLS]`, `[SEP]`) that are not accounted for in the segmentation logic. 2. **Sequence Length**: The input sequence might be longer than the model's maximum sequence length, leading to token indices exceeding the allowed range. 3. **Chunk Processing**: When processing chunks, ensure they are properly formatted for the model. ### Fixes 1. **Include Special Tokens**: Ensure that special tokens are included in the tokenization and segmentation process. 2. **Truncate Long Sequences**: Truncate sequences that exceed the model's maximum sequence length.
Facts in this context
Grouped by subject. Each subject links to its full article.
Assistant15 factsex:assistant
| explains | Error Cause |
| identified | Special Tokens Issue |
| identified | Sequence Length Issue |
| identified | Chunk Processing Issue |
| performs | Code Analysis |
| proposed | Truncate Sequences Fix |
| proposed | Include Special Tokens Fix |
| provides | Troubleshooting Guidance |
| providesDiagnosticFramework | true |
| providesGuidanceFor | Token Index Error |
| rdf:type | Speaker |
| said | Token Indices Error |
| structuresResponse | Issue Then Solution |
| usesEnumerativeStructure | true |
| usesStructure | Numbered Lists |
Token Indices Error14 factsex:token-indices-error
| causedBy | Input Sequence Too Long |
| causedBy | Special Tokens Push Indices |
| causedByEither | Cause 2 |
| causedByEither | Cause 1 |
| hasErrorCode | Token Indices Must Be Between 0 and 511 |
| hasMessageText | Token indices must be between 0 and 511 |
| hasRangeConstraint | 0 511 Boundary |
| hasTwoPossibleCauses | true |
| occursProbabilistically | Input Sequence Too Long |
| occursWhen | Input Sequence Too Long |
| occursWhen | Special Tokens Push Indices |
| rdf:type | Error Message |
| spokenBy | Assistant |
| typicallyIndicates | Token Index Exceeding |
Turn 790110 factsex:turn-7901
| containsAnalysis | Potential Issues |
| containsAnalysis | Fixes Proposed |
| exhibitsProblemSolvingApproach | true |
| exhibitsStyle | Troubleshooting Tone |
| genre | Technical Support Response |
| hasSpeaker | Assistant |
| hasStructure | Fixes Section |
| hasStructure | Potential Issues Section |
| hasTurnNumber | 7901 |
| rdf:type | Conversation Turn |
Potential Issues Section9 factsex:potential-issues-section
| contains | Chunk Processing Issue |
| contains | Special Tokens Issue |
| contains | Sequence Length Issue |
| enumerates | 3 |
| hasOrder | 1 |
| hasOrder | 3 |
| hasOrder | 2 |
| precedes | Fixes Section |
| rdf:type | Document Section |
Chunk Processing Issue8 factsex:chunk-processing-issue
| containedIn | Potential Issues Section |
| describes | Chunk Formatting |
| implies | Batch Processing |
| implies | Sequential Processing |
| rdf:type | Potential Issue |
| relatesTo | Formatting Requirement |
| relatesTo | Processing Method |
| requires | Proper Formatting |
Fixes Section7 factsex:fixes-section
| contains | Truncate Sequences Fix |
| contains | Include Special Tokens Fix |
| enumerates | 2 |
| follows | Potential Issues Section |
| hasOrder | 2 |
| hasOrder | 1 |
| rdf:type | Document Section |
Tokenizer Special Tokens7 factsex:tokenizer-special-tokens
| adds | Cls Token |
| adds | Sep Token |
| affects | Segmentation Logic |
| mightAdd | Cls Token |
| mightAdd | Sep Token |
| mightFail | Segmentation Logic |
| rdf:type | Component |
Include Special Tokens Fix6 factsex:include-special-tokens-fix
| addresses | Special Tokens Issue |
| containedIn | Fixes Section |
| correspondsTo | Special Tokens Issue |
| method | Tokenization Inclusion |
| rdf:type | Fix |
| recommends | Tokenization Segmentation Inclusion |
Truncate Sequences Fix6 factsex:truncate-sequences-fix
| addresses | Sequence Length Issue |
| containedIn | Fixes Section |
| correspondsTo | Sequence Length Issue |
| method | Sequence Truncation |
| rdf:type | Fix |
| recommends | Sequence Truncation |
Sequence Length Issue5 factsex:sequence-length-issue
| addressedBy | Truncate Sequences Fix |
| containedIn | Potential Issues Section |
| describes | Input Sequence Exceeds Maximum |
| rdf:type | Potential Issue |
| relatesTo | Model Capacity |
Special Tokens Issue5 factsex:special-tokens-issue
| addressedBy | Include Special Tokens Fix |
| containedIn | Potential Issues Section |
| describes | Tokenizer Special Tokens |
| rdf:type | Potential Issue |
| relatesTo | Segmentation Process |
Model4 factsex:model
| hasConstraint | Vocabulary Size Limit |
| hasMaximumSequenceLength | unspecified |
| hasVocabularySize | 512 |
| rdf:type | Computational Model |
Troubleshooting Guidance4 factsex:troubleshooting-guidance
| followsMethod | Code Review |
| includes | Fixes Proposal |
| includes | Potential Issues Analysis |
| rdf:type | Activity |
Token Indices3 factsex:token-indices
| mustBeWithin | Allowed Range |
| range | 0 to 511 |
| rdf:type | Identifier |
Allowed Range2 factsex:allowed-range
| rdfs:label | 0 to 511 |
| rdf:type | Constraint |
Cause 12 factsex:cause-1
| describes | Token Indices Exceed Vocabulary |
| rdf:type | Vocabulary Size Exceedance |
Cause 22 factsex:cause-2
| describes | Token Indices Exceed Sequence Length |
| rdf:type | Sequence Length Exceedance |
Cls Token2 factsex:cls-token
| rdfs:label | [CLS] |
| rdf:type | Special Token |
Input Sequence2 factsex:input-sequence
| mightExceed | Model Maximum |
| rdf:type | Data Structure |
Input Sequence Exceeds Maximum2 factsex:input-sequence-exceeds-maximum
| rdf:type | Condition |
| resultsIn | Token Indices Exceeding Range |
Proper Formatting2 factsex:proper-formatting
| appliesTo | Chunks |
| rdf:type | Requirement |
Sep Token2 factsex:sep-token
| rdfs:label | [SEP] |
| rdf:type | Special Token |
Sequence Truncation2 factsex:sequence-truncation
| rdf:type | Procedure |
| rdf:type | Operation |
Special Tokens Push Indices2 factsex:special-tokens-push-indices
| describes | Tokens Push Beyond Allowed |
| rdf:type | Condition |
Token Index Exceeding2 factsex:token-index-exceeding
| describes | Input Sequence Too Long |
| rdf:type | Condition |
Vocabulary Size Limit2 factsex:vocabulary-size-limit
| hasValue | 512 |
| rdf:type | Constraint |
0 511 Boundary1 factex:0-511-boundary
| rdf:type | Boundary Condition |
Batch Processing1 factex:batch-processing
| rdf:type | Computational Pattern |
Chunk Formatting1 factex:chunk-formatting
| rdf:type | Requirement |
Code Analysis1 factex:code-analysis
| rdf:type | Activity |
Code Review1 factex:code-review
| rdf:type | Process |
Error Cause1 factex:error-cause
| rdf:type | Explanation |
Fixes Proposal1 factex:fixes-proposal
| rdf:type | Prescriptive Activity |
Fixes Proposed1 factex:fixes-proposed
| rdf:type | Analysis Section |
Formatting Requirement1 factex:formatting-requirement
| rdf:type | Specification |
Input Sequence Too Long1 factex:input-sequence-too-long
| rdf:type | Problem |
Issue Then Solution1 factex:issue-then-solution
| rdf:type | Rhetorical Structure |
Model Capacity1 factex:model-capacity
| rdf:type | Limitation |
Model Maximum1 factex:model-maximum
| rdf:type | Threshold |
Numbered Lists1 factex:numbered-lists
| rdf:type | Organizational Technique |
Potential Issues1 factex:potential-issues
| rdf:type | Analysis Section |
Potential Issues Analysis1 factex:potential-issues-analysis
| rdf:type | Diagnostic Activity |
Problem Solving Approach1 factex:problem-solving-approach
| rdf:type | Cognitive Strategy |
Processing Method1 factex:processing-method
| rdf:type | Technique |
Segmentation Logic1 factex:segmentation-logic
| rdf:type | Process |
Segmentation Process1 factex:segmentation-process
| rdf:type | Algorithmic Step |
Sequential Processing1 factex:sequential-processing
| rdf:type | Pattern |
Technical Support Response1 factex:technical-support-response
| rdf:type | Document Type |
Token Indices Exceeding Range1 factex:token-indices-exceeding-range
| rdf:type | Error Condition |
Token Indices Must Be Between 0 and 5111 factex:token-indices-must-be-between-0-and-511
| rdf:type | Error Code |
Tokenization Inclusion1 factex:tokenization-inclusion
| rdf:type | Procedure |
Tokenization Segmentation Inclusion1 factex:tokenization-segmentation-inclusion
| rdf:type | Process |
Tokens Push Beyond Allowed1 factex:tokens-push-beyond-allowed
| rdf:type | Mechanism |
Troubleshooting Tone1 factex:troubleshooting-tone
| rdf:type | Communicative Style |