"Summarize Written Text" is a task commonly found in language proficiency tests like the PTE Academic. In this task, you are presented with a passage and you're required to write a concise summary of it. Here are some common errors to avoid while attempting the "Summarize Written Text" task:

Excessive Word Count: One of the main challenges is keeping the summary within the specified word limit. Avoid including unnecessary details or repeating points to ensure your summary is concise and to the point.

Omission of Key Information: While summarizing, make sure to include the most important points from the passage. Skipping crucial information could result in an incomplete or inaccurate summary.

Loss of Context: Sometimes, summaries can become disconnected from the original context. Ensure that your summary maintains the main idea and context of the passage.

Incorrect Interpretation: Misinterpreting the original passage's meaning can lead to an inaccurate summary. Make sure you understand the main message before attempting to summarize.

Changing the Meaning: Your summary should accurately reflect the author's intent and the key points of the passage. Avoid distorting the original meaning through paraphrasing.

Inclusion of Personal Opinion: Summaries should be objective and focused on the author's viewpoint, not your personal opinions or interpretations.

Lack of Cohesion: A well-structured summary flows logically and cohesively. Ensure that your summary maintains a clear sequence of ideas.

Grammatical and Spelling Errors: Even though the task focuses on summarizing content, grammatical errors can still negatively impact your score. Proofread your summary for correctness.

Inaccurate Details: Be careful not to include specific details that are incorrect or not supported by the original passage.

Copying Phrases: Avoid copying entire phrases from the passage. Your summary should be in your own words to demonstrate your comprehension and language skills.

Overemphasis on Unimportant Details: Focus on the main ideas and key points of the passage. Avoid spending too much space on minor details.

Failure to Follow Instructions: Pay attention to the instructions provided for the task. This includes guidelines for word count, format, and any other specific requirements.

To improve your performance in the "Summarize Written Text" task, practice reading a variety of passages and writing concise summaries that capture the essence of the content accurately. Aim to strike a balance between brevity and clarity while avoiding the common errors mentioned above.