<div dir="ltr"><div style class="markdown-here-wrapper"><p style="margin:1.2em 0px!important">Hi, I compile and install erlang 17.3 from source, (OS: ubuntu)</p>
<p style="margin:1.2em 0px!important">when I start erl shell, and type toolbar:start().  something goes wrong!</p>
<pre style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;font-size:1em;line-height:1.2em;margin:1.2em 0px"><code style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;margin:0px 0.15em;padding:0px 0.3em;white-space:pre-wrap;border:1px solid rgb(234,234,234);background-color:rgb(248,248,248);border-radius:3px;display:inline;white-space:pre;overflow:auto;border-radius:3px;border:1px solid rgb(204,204,204);padding:0.5em 0.7em;display:block!important;display:block;padding:0.5em;color:rgb(51,51,51);background:none repeat scroll 0% 0% rgb(248,248,255)" class="hljs language-erlang">wang[<span class="hljs-number">15</span>:<span class="hljs-number">33</span>][~]$ erl
<span class="hljs-variable">Erlang</span>/<span class="hljs-variable">OTP</span> <span class="hljs-number">17</span> [erts-<span class="hljs-number">6.2</span>] [source] [smp:<span class="hljs-number">4</span>:<span class="hljs-number">4</span>] [async-threads:<span class="hljs-number">10</span>] [hipe] [kernel-poll:<span class="hljs-literal">false</span>]

<span class="hljs-variable">Eshell</span> <span class="hljs-variable">V6</span>.<span class="hljs-number">2</span>  (abort with ^<span class="hljs-variable">G</span>)
<span class="hljs-number">1</span>> io:format(<span class="hljs-string">"OK~n"</span>).
<span class="hljs-variable">OK</span>
ok
<span class="hljs-number">2</span>> toolbar:start().
** exception error: undefined function toolbar:start/<span class="hljs-number">0</span>
<span class="hljs-number">3</span>> tv:start().
** exception error: undefined function tv:start/<span class="hljs-number">0</span>
<span class="hljs-number">4</span>> appmon:start().
** exception error: undefined function appmon:start/<span class="hljs-number">0</span>
<span class="hljs-number">5</span>>
</code></pre>
<p style="margin:1.2em 0px!important">Why this?   </p>
<div title="MDH:PGRpdj48YnI+PC9kaXY+SGksIEkgY29tcGlsZSBhbmQgaW5zdGFsbCBlcmxhbmcgMTcuMyBmcm9t
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cyB3cm9uZyE8YnI+PGJyPjwvZGl2PjxkaXY+YGBgZXJsYW5nPGJyPndhbmdbMTU6MzNdW35dJCBl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" style="height:0;font-size:0em;padding:0;margin:0">​</div></div><div class="markdown-here-signature">-- <br><div dir="ltr">My GitHub<br><a href="https://github.com/yueyoum" target="_blank">https://github.com/yueyoum</a><br><br></div>
</div></div>