Excel Custom function returns #BUSY

Question

I am using Script Lab for defining custom function in Excel. Even the most trivial function returns #BUSY result.

This is test funcition that returns #BUSY error.

/** @CustomFunction */
function add10(x: number): number {
 return x + 10;
}

I am using office 365 personal subscription if it makes any sence. Working on Windows 11 Pro x64

Answer 1

I had same issue, which I managed to fix when I upgraded my local node.js from v18.6.0 to v18.17.1.