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SQLite error code

SQLITE_CONSTRAINT_PINNED

SQLITE_CONSTRAINT_PINNED is SQLite result code 2835, an extended code of SQLITE_CONSTRAINT.

Result code2835
NameSQLITE_CONSTRAINT_PINNED
Primary codeSQLITE_CONSTRAINT

What it means

The SQLITE_CONSTRAINT_PINNED error code is an extended error code for SQLITE_CONSTRAINT indicating that an UPDATE trigger attempted to delete the row that was being updated in the middle of the update.

Source: SQLite Result and Error Codes