It seems to be an undefined variable.

似乎是个未定义的变数。

Instead of checking for a default compound value, you can also catch the access to an undefined variable. E.g.

不用再检查默认的复合值，您也可以捕获对未定义变量的访问。

Your code includes some undefined variable that you have used as if it was already defined and initialized.

你的代码包括一些未定义的变量，你作为已经定义并初始化的来使用。

There are plenty of Undefined Variable errors for variables and functions that should be present from the script, but other than that, no errors.

对于应该从脚本中出现的变量和函数，有大量未定义的变量错误，但除此之外，没有错误。

If you look at the Debug Messages pane, the answer is spelled out: The variable $multipler is undefined because it's a typo. It should be $multiplier.

如果看一下 Debug Messages 面板，答案就清楚了：变量 $multipler 是未定义的，因为它是一个拼写错误，应该是 $multiplier。

They hold only one piece of data: a string, a number, the undefined value, a reference to another variable.

它只保存一段数据：一个字符串、一个数字、未定义的值以及对另一个变量的引用。

Undefined host variable in REXX.

说明：在REXX未定义的主机变量。

Undefined function or variable 'SQT'.

未定义的函数或变量' sqt '。

Incrementing an undefined local variable is 9-10 times slower than a pre - initialized one.

递增一个未预定义的局部变量要比递增一个预定义的局部变量慢9至10倍。

This means that the value of a local constant is undefined until the constant declaration statement is reached and that a local variable is undefined until the variable is assigned to in the function.

这就意味着在到达常数声明语句前局部常数值是未定义的，在函数中分配变量前局部变量是未定义的。

Inced hardy cap rementing an undefined local variable is 9-10 times slower than a pre-initialized one.

递增一个未预定义的局部变量要比递增一个预定义的局部变量慢9至10倍。