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Thank you, for the suggestion.
But it hasn't change something. I still have the same number of mistakes.

Sonntag

Thank your help!

In the other packages I couldn't find a command that numbers my reaction equations independantly from the math mode like chemexec does with the \reaction command. (It numbers reaction equations with "R1", "R2" etc.) There's a possibility to do this with the other packages that I ...

Thank you!

I refer to the unit.

It is an abbreviation that you use if you skip reaction steps to get to the written products (outgoing from the written educts.)

Here is the log file:

Today I've updated all packages. Have checked it right now on MikTex. No new updates couldn't found. And restarted the computer, but nothing has changed. What else could I do?

If I compile the example from above it look like this with 20 mistakes and if I let me show the first one I get directed to fleqn.clo.

Hi!

I would like to indent the reaction equation like in following example. With a lot of mistake it worked with mhchem. How can it be fixed with chemmacros?

Sonntag

\documentclass{article}

\usepackage{amsmath}
\usepackage{fleqn}
\setlength{\mathindent}{1cm}
\usepackage[option1 = <value1 ...

Thank you! Went through them but couldn't find any arrow like that yet.

Thanks for your answer!