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I am learning Altium Designer and currently I am getting Floating Net Labels warnings/errors (depends on project options) while trying to compile project at following situation: Floating Net Label warning here is selected warning situation: Selected Warning and here is warning itself (there are other I think identical warnings and once the first one will be solved, the others will not be a problem):

[Warning]   INPUT_SELECTOR.SchDoc   Compiler    Floating Net Label AUDIO_INPUT_ACTIVE1 at (70,590)

Now, I have read the Floating net labels docs and:

  1. I am connecting Wire to Bus and NOT Line to Bus
  2. The Net Label IS positioned to the Wire

The sheet is part of multisheed design and can someone give me some hints, what could be wrong, since these warnings are very annoying?

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  • \$\begingroup\$ It's usually cause by the net label being not actually attached to the wire. Select the net label, cut it (Ctrl-X) and paste it (Ctrl-V). As you drag it to the wire you should see a red X where it will attach to the wire. Then mouse click to place it. \$\endgroup\$ – Steve G Jun 6 '18 at 10:00
  • \$\begingroup\$ Possible duplicate of Altium says my labels are floating \$\endgroup\$ – DerStrom8 Jun 6 '18 at 11:11
  • \$\begingroup\$ "Duplicate" vote retracted - not quite the same issue \$\endgroup\$ – DerStrom8 Jun 6 '18 at 11:13
  • \$\begingroup\$ Check your grids. Try to re-attach the net label to the wire. If the grid is off by a hair it will still complain that the label is floating. \$\endgroup\$ – DerStrom8 Jun 6 '18 at 11:16
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The Texas Instruments ULN2003A IC used here was created automaticaly using Altium's Eagle Import Wizard and something went wrong while importing parts. I've removed created library from project (and deleted part from schematics), downloaded part from SamacSys, imported it into project, used part in schematic, recompiled project and warning/errors went away. Since I am newbie at Altium, I do not know what exactly went wrong in import proces from Eagle.

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