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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
error is that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "error is that" is correct and usable in written English.
It can be used when identifying or explaining a specific mistake or issue in a statement or situation. Example: "The main error is that the calculations were not double-checked before submission."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
50 human-written examples
The lesson Troika drew from #Greece sustainability error is that #cyprus was agood idea.
News & Media
The real error is that The Times published a piece about Islamic law by someone who has no apparent expertise in the field.
News & Media
But it is also because, if the Fed is unhappy, it has the ability to burden a bank with additional obligations that cost money and impede operations.The practical consequence of the error is that BofA has 30 days to resubmit data for its plans for dividends and share repurchases, which will be screened by the Fed again.
News & Media
The main error is that traffic on the main roads leading into the city is overestimated, while inner city traffic is slightly underestimated.
The second error is that ms51 is a 21 bp (instead of 18 bp) repeat unit VNTR.
Science
The first error is that ms46 was previously identified as a 17 bp repeat unit VNTR with intermediate size alleles whereas it is a 7 bp repeat unit (with no intermediate size alleles).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
9 human-written examples
One of the most important communication errors is that GPs provide incomplete information [ 9].
Science
Perhaps the greatest error was that of his closest supporters who failed to criticise Chavez openly.
News & Media
Here the cause of the error was that, in these counties, the machines were not able to read ballots.
News & Media
But my most crucial error was that I lost my journalistic skepticism when I questioned family members about delicate subjects.
News & Media
California's error was that it paid almost no attention to how the rate cuts might affect access to services.
News & Media
Expert writing Tips
Best practice
When using "error is that", ensure that the statement following "that" clearly and specifically identifies the mistake or problem you are addressing. Clarity is key.
Common error
Don't use "error is that" followed by a vague or unclear explanation. For example, instead of saying "The error is that things went wrong", specify how and why things went wrong. Be precise.
Source & Trust
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "error is that" functions as a causal connector, introducing an explanation or reason for a mistake. It sets up a clause that clarifies the nature or source of the error, as shown in Ludwig's examples.
Frequent in
Science
44%
News & Media
37%
Formal & Business
19%
Less common in
Wiki
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "error is that" serves as a causal connector, effectively introducing an explanation or identification of a mistake. Ludwig AI indicates that this phrase is grammatically correct and commonly used across diverse contexts, including science, news, and formal business settings. Related alternatives include "the mistake is that" and "the problem is that", which offer slight variations in emphasis. To enhance clarity in writing, ensure the statement following "that" is specific. Avoid vague generalizations. Overall, understanding the correct usage of "error is that" is important for clear and effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
the mistake is that
Replaces "error" with "mistake", offering a more general term for an incorrect action or judgment.
the problem is that
Substitutes "error" with "problem", shifting the focus to an issue requiring a solution.
the flaw is that
Uses "flaw" instead of "error", highlighting a weakness or imperfection in something.
the fault lies in
Changes the structure to emphasize where the responsibility for the error or problem is located.
the inaccuracy stems from
Focuses on the source of the error, using "inaccuracy" to indicate a deviation from the truth.
the oversight was that
Replaces "error" with "oversight", suggesting a mistake due to a failure to notice something.
the central issue is
Shifts focus to the most important problem, using "issue" as a more general term.
where it went wrong was
Changes the structure to indicate the point at which a process or situation deviated from the correct course.
a critical mistake involves
Highlights the criticality of the mistake and introduces what it involves.
the deficiency arises when
Uses "deficiency" to refer to a lack or inadequacy causing the error, highlighting when it appears.
FAQs
How can I use "error is that" in a sentence?
The phrase "error is that" is used to point out a specific mistake or problem in reasoning, calculation, or process. For example, "The main "error is that" the calculations were not double-checked before submission."
What can I say instead of "error is that"?
You can use alternatives like "the mistake is that", "the problem is that", or "the flaw is that" depending on the context. For example, "The "mistake is that" we didn't account for inflation."
Is it grammatically correct to say "error is that"?
Yes, it's grammatically correct. The structure "error is that + clause" is a standard way to introduce an explanation or identification of a mistake.
What is the difference between "error is that" and "the error lies in"?
"Error is that" points out the mistake directly, whereas "the error lies in" focuses on where the mistake originates. For instance, "The "error is that" the formula was incorrect", versus "The "error lies in" the assumptions we made."
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested