How do you throw a custom error in Solidity?

By: USER3122
28 Agustus 2025 Support 5 minutes
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Grade: Education Subject: Support
How do you throw a custom error in Solidity?
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You throw a custom error using the `revert` keyword followed by the error name and any associated data. For example: `revert InsufficientBalance(available, required);` or `revert MyError(someData);`. If it's an anonymous error, you simply use `revert;`.
Answered on 28 Agustus 2025

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Bonjour pouvez-vous m’aider il faut aussi détailler merci d’avance:

a. 3(4x + 1) = (2x + 3) x 2

b. 6(4x - 2) - 2(x + 8) = 12

c. 5(7 - 2,2x) = 9 - 6x

d. 3,2x + 4(5 - x) = 13 - (2x - 6)

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Se știe că 

  2x+y         3
---------- = ----------
     y             4 

Găsiți valoarea raportului : 
   x
--------
   y
Mulțumesc  ! :D

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How can you use `try...catch` to prevent a JavaScript application from crashing due to unexpected errors in third-party libraries?

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