Types of Error Wise:

• Logic Error: ambiguous or irrelevant features of the source code.
• message Error : missing or misleading error messages in the source code.
• Navigation Error : Navigation is not properly coded in source code.
• System error: system failure, memory leaks, hardware and OS related
• Requirements incorrect: incorrect or inaccurate requirements.
• Incorrect Design: Wrong or incorrect design.
• Typographical Error: spelling / grammar error in the documents / source code.
• Performance Error: Everything about the performance leads to performance errors.
• Data error: incorrect information population / update of the database.
• Database error: error in the database schema / design.
• Standard: standard not met, such as exception handling defects.
• Comments: Comments inadequate / incorrect / misleading or missing fo Comments in the source code
• Error variable declaration: Wrong indication / use of variables in the source code.
• Sequencing / Timing Error: An error occurred due to lack of improper / Timeout and an eye for the wrong / missing The sequencing of the source code.

Work Product Wise:

• DDS: the lack of detailed design documents.
• ADS: Architectural Design Document default.
• FSD: Defect from a functional specification document.
• SSD: A Defect from System Study Document.
• Source Code: An error from source code.
• User Documentation: A defect in the manuals / operating manuals.
• The test cases / test plan: the lack of a test or test plan.

Status Wise: