# Log messages

You can obtain system logs through the get_log endpoint or by using the Log monitor tool. The log can be of error ('ERR'), warning ('WARN'), or information ('INFO') type.

Category Type Message Additional information
Timeseries - General WARN "Row potentially incomplete. Refer to reported errors: twin=[{}]."
Timeseries - General WARN "Invalid Ledger configuration. Attempt to use a disabled Timeseries service: twin=[{}]." The Timeseries database service needs to be enabled for an Account. See Timeseries section.
Timeseries - General ERR "Failed to connect to Timeseries database. Operation aborted: twin=[{}]."
Timeseries - General ERR "Failed to read Timeseries service configuration from database. Operation aborted: twin=[{}]."
Timeseries - General ERR "Invalid Timeseries table. Table does not exist. Operation aborted: twin=[{}], table=[{}]." Please double-check the name of the Timeseries table.
Timeseries - General WARN "Invalid data. Timeseries task processing has no correct data to insert. Operation aborted: twin=[{}]."
Timeseries - General ERR "Unexpected error when inserting Timeseries data to table. Operation is retried: twin=[{}]."
Timeseries - General ERR "Unexpected error when processing Timeseries data. Operation is retried: twin=[{}]."
Timeseries - Timestamp ERR "Failed to resolve timestamp column name. Invalid template. Default timestamp used: twin=[{}], template=[{}]." See Templates section.
Timeseries - Timestamp ERR "Invalid timestamp format. Failed to convert. Default timestamp used: twin=[{}], timestamp=[{}]."
Timeseries - Timestamp ERR "Invalid timestamp format. Must be JSON. Default timestamp used: twin=[{}], value=[{}]."
Timeseries - Measurement ERR "Failed to resolve measurement column name. Missing template. Measurement not stored: twin=[{}]."
Timeseries - Measurement ERR "Failed to resolve measurement column name. Invalid template. Measurement not stored: twin=[{}], template=[{}]." See Templates section.
Timeseries - Measurement WARN "Failed to unpack measurement column names. Value is not a dict. Entry name used: twin=[{}], template=[{}]."
Timeseries - Measurement ERR "Invalid measurement value type. Measurement not stored: twin=[{}], measurement=[{}]."
Timeseries - Measurement ERR "Invalid measurement column name. Column does not exist. Measurement not stored: twin=[{}], measurement=[{}]." Please double-check the name of the measurement column of the Timeseries table.
Timeseries - Dimension ERR "Invalid dimension template. Dimension value not stored: twin=[{}], template=[{}], dimension=[{}]." See Templates section.
Timeseries - Dimension ERR "Invalid dimension value type. Dimension value not stored: twin=[{}], value=[{}], dimension=[{}]."
Timeseries - Dimension ERR "Invalid dimension value format. Must be JSON. Dimension value not stored: twin=[{}], value=[{}], dimension=[{}]."
Timeseries - Dimension ERR "Failed to resolve dimension value. Missing template. Dimension value not stored: twin=[{}], dimension=[{}]."
Timeseries - Dimension WARN "Unknown dimensions: twin=[{}], dimensions=[{}]."
Notifications WARN "Rule evaluation error. Rule evaluation result defaulted to False: twin=[{}], entry=[{}], rule=[{}]." See Rules section.
Notifications ERR "Failed to resolve topic. Invalid template. Topic not published: twin=[{}], entry=[{}], template=[{}]." See Templates section.
Notifications WARN "No one is listening. Topic not published: twin=[{}], topic=[{}]."
Notifications ERR "Topic rejected by publish service. Invalid topic. Topic not published: twin=[{}], topic=[{}]."
Notifications ERR "Internal publish service error. Topic not published: twin=[{}], topic=[{}]."
Notifications WARN "Failed to invoke the webhook. Could not reach the endpoint. Will retry {} times: endpoint=[{}], topic=[{}], status=[{}]."
Notifications WARN "Failed to invoke the webhook. Endpoint returned an error. Will retry {} times: endpoint=[{}], topic=[{}], status=[{}]."
Ledger WARN "Failed to fetch included value. Source does not exist. Value defaulted to null: source=[{}]."
Indexes - General ERR "Failed to connect to Indexes database. Operation aborted: twin=[{}]."
Indexes - General ERR "Failed to read Indexes service configuration from database. Operation aborted: twin=[{}]."
Indexes - General ERR "Unexpected error when updating Index table: twin=[{}]."
Indexes - General ERR "Unexpected error when processing Index data: twin=[{}]."
Indexes - Update ERR "Invalid Index table. Table does not exist. Operation aborted: twin=[{}], table=[{}]."
Indexes - Update ERR "Failed to resolve property value. Invalid template. Index updated with empty value: twin=[{}], index=[{}], property=[{}], template=[{}]." See Templates section.
Indexes - Update ERR "Invalid property value type. Property updated with empty value: twin=[{}], index=[{}], property=[{}], type=[{}], value=[{}]." See Templates section.
Indexes - Update WARN "Record with newer timestamp already exists. Update skipped: twin=[{}], index=[{}]."
History ERR "History entry too large. History entry not stored: limit=[{}], size=[{}]." See History section fo the soft quote stored in the History service.
Trace INFO "Trace task execution. Request {} on [{}]."
Trace INFO "Trace task execution. Task {} on [{}]."