The method that you can use to avoid this error would depend on the type of error and the type of programming language that you are using. You can use debugging to tool to avoid errors.
halo error
Learning by "trial and error method" was discovered by - THORNDIKE
Be careful.
Error-Correcting Code or EEC
It's an attempt to reduce error by cross-checking the work of others in an open forum. It reduces the "human error" of "knowing" the wrong answer - a trait we all share. It tends to ignore "beliefs" by letting anything be questioned.
Error message on monitor
humans
Error
The store-and-forward switching method is the one that provides the most thorough error checking. When this method is used, erroneous frames are discarded.
By regular practice
Systematic error is the result of complete equilibrium. The method to reduce systematic error is to introduce a proof that demonstrates the group has error in their consensus.
There are many equations for which there is no method for obtaining an exact solution. In such circumstances, an efficient trial and error method may be the only way.