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 informational ('INFO') type.

Timeseries

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

Category	Type	Message	Additional information
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

Category	Type	Message	Additional information
Ledger	WARN	"Failed to fetch included value. Source does not exist or could not be obtained. Value defaulted to null: source=[{}]."
Ledger	WARN	"Reference to a non-existing Twin created in a ledger entry. Referenced value will never be available: twin=[{}]."
Ledger	ERR	"Attempt to store a value older than value already stored in a reference type entry. Potentially a loop. Value not stored: twin=[{}], entry=[{}]."
Ledger	ERR	"Ledger size quota violation. Ledger size=[{}], quota=[{}]."

Indexes

Category	Type	Message	Additional information
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=[{}]."

Trace

Category	Type	Message	Additional information
Trace	INFO	"Trace task execution. Request {} on [{}]."
Trace	INFO	"Trace task execution. Task {} on [{}]."