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    <title>topic Remove Duplicate Centerlines error on ArcGIS 10.5.1 in Roads and Highways User Group (RHUG) Questions</title>
    <link>https://community.esri.com/t5/roads-and-highways-user-group-rhug-questions/remove-duplicate-centerlines-error-on-arcgis-10-5/m-p/781702#M119</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hey all,&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;We recently ran into some issues while trying to run the Remove Duplicate Centerlines process in our Roads and Highways implementation, which is currently using ArcGIS 10.5.1. I figured I'd document it here in case someone else encounters a similar problem.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;There were two attempts to run the tool that halted due to error. The slightly confusing part is that both of these runs had a different error message. The first&amp;nbsp;had a message stating "An expression of non-boolean type specified in a context were a condition is expected, near ','.&lt;/P&gt;&lt;P&gt;&lt;IMG class="image-1 jive-image" height="151" src="https://community.esri.com/legacyfs/online/450945_pastedImage_1.png" width="407" /&gt;&lt;/P&gt;&lt;P&gt;And the second run had this message, stating "Unable to update original centerlines: Sequence contains no matching element"&lt;/P&gt;&lt;P&gt;&lt;IMG class="image-2 jive-image" src="https://community.esri.com/legacyfs/online/450946_pastedImage_2.png" /&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The errors were caused by features in the Centerline feature class that had a Null value for the ROADWAY_GUID. These features are artifacts from sloppy editing, to be honest. Centerline features that are created but never used as apart of a route will have a null GUID. We found that removing the problem features from the current database version was not enough, but rather the features had to be removed from all active database versions.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;It turns out we encountered a similar issue in the past. The Remove Duplicate Centerlines tool would hang without an error message. We submitted a support ticket about the issue, and soon after a bug was submitted and fixed by Esri.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The fix should be in ArcMap &amp;gt;= 10.6. Maybe there's a more helpful error message on newer versions of the software. Has anyone using 10.6+ ran into this issue?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 20 Jun 2019 18:15:04 GMT</pubDate>
    <dc:creator>AndrewVitale3</dc:creator>
    <dc:date>2019-06-20T18:15:04Z</dc:date>
    <item>
      <title>Remove Duplicate Centerlines error on ArcGIS 10.5.1</title>
      <link>https://community.esri.com/t5/roads-and-highways-user-group-rhug-questions/remove-duplicate-centerlines-error-on-arcgis-10-5/m-p/781702#M119</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hey all,&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;We recently ran into some issues while trying to run the Remove Duplicate Centerlines process in our Roads and Highways implementation, which is currently using ArcGIS 10.5.1. I figured I'd document it here in case someone else encounters a similar problem.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;There were two attempts to run the tool that halted due to error. The slightly confusing part is that both of these runs had a different error message. The first&amp;nbsp;had a message stating "An expression of non-boolean type specified in a context were a condition is expected, near ','.&lt;/P&gt;&lt;P&gt;&lt;IMG class="image-1 jive-image" height="151" src="https://community.esri.com/legacyfs/online/450945_pastedImage_1.png" width="407" /&gt;&lt;/P&gt;&lt;P&gt;And the second run had this message, stating "Unable to update original centerlines: Sequence contains no matching element"&lt;/P&gt;&lt;P&gt;&lt;IMG class="image-2 jive-image" src="https://community.esri.com/legacyfs/online/450946_pastedImage_2.png" /&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The errors were caused by features in the Centerline feature class that had a Null value for the ROADWAY_GUID. These features are artifacts from sloppy editing, to be honest. Centerline features that are created but never used as apart of a route will have a null GUID. We found that removing the problem features from the current database version was not enough, but rather the features had to be removed from all active database versions.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;It turns out we encountered a similar issue in the past. The Remove Duplicate Centerlines tool would hang without an error message. We submitted a support ticket about the issue, and soon after a bug was submitted and fixed by Esri.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The fix should be in ArcMap &amp;gt;= 10.6. Maybe there's a more helpful error message on newer versions of the software. Has anyone using 10.6+ ran into this issue?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 20 Jun 2019 18:15:04 GMT</pubDate>
      <guid>https://community.esri.com/t5/roads-and-highways-user-group-rhug-questions/remove-duplicate-centerlines-error-on-arcgis-10-5/m-p/781702#M119</guid>
      <dc:creator>AndrewVitale3</dc:creator>
      <dc:date>2019-06-20T18:15:04Z</dc:date>
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