* Look at the Systems table. Is there a date in the Date field for all gene ID systems present in the database?
 
* Look at the Systems table. Is there a date in the Date field for all gene ID systems present in the database?
 +
** No. The majority of systems to not have a date included in their date field.
 
* Open the UniProt, RefSeq, and OrderedLocusNames tables. Scroll down through the table. Do all of the IDs look like they take the correct form for that type of ID?
 
* Open the UniProt, RefSeq, and OrderedLocusNames tables. Scroll down through the table. Do all of the IDs look like they take the correct form for that type of ID?
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[a822f6ec] /biodb/fall2015/index.php?diff=8244&oldid=8243&title=Nanguiano_Week_9 Error from line 434 of /apps/xmlpipedb/biodb/fall2015/includes/diff/DairikiDiff.php: Call to undefined function each()
Backtrace:
#0 /apps/xmlpipedb/biodb/fall2015/includes/diff/DairikiDiff.php(544): DiffEngine->diag()
#1 /apps/xmlpipedb/biodb/fall2015/includes/diff/DairikiDiff.php(344): DiffEngine->compareSeq()
#2 /apps/xmlpipedb/biodb/fall2015/includes/diff/DairikiDiff.php(227): DiffEngine->diffLocal()
#3 /apps/xmlpipedb/biodb/fall2015/includes/diff/DairikiDiff.php(721): DiffEngine->diff()
#4 /apps/xmlpipedb/biodb/fall2015/includes/diff/DairikiDiff.php(859): Diff->__construct()
#5 /apps/xmlpipedb/biodb/fall2015/includes/diff/DairikiDiff.php(980): MappedDiff->__construct()
#6 /apps/xmlpipedb/biodb/fall2015/includes/diff/TableDiffFormatter.php(194): WordLevelDiff->__construct()
#7 /apps/xmlpipedb/biodb/fall2015/includes/diff/DiffFormatter.php(140): TableDiffFormatter->changed()
#8 /apps/xmlpipedb/biodb/fall2015/includes/diff/DiffFormatter.php(82): DiffFormatter->block()
#9 /apps/xmlpipedb/biodb/fall2015/includes/diff/DifferenceEngine.php(888): DiffFormatter->format()
#10 /apps/xmlpipedb/biodb/fall2015/includes/diff/DifferenceEngine.php(802): DifferenceEngine->generateTextDiffBody()
#11 /apps/xmlpipedb/biodb/fall2015/includes/diff/DifferenceEngine.php(733): DifferenceEngine->generateContentDiffBody()
#12 /apps/xmlpipedb/biodb/fall2015/includes/diff/DifferenceEngine.php(662): DifferenceEngine->getDiffBody()
#13 /apps/xmlpipedb/biodb/fall2015/includes/diff/DifferenceEngine.php(632): DifferenceEngine->getDiff()
#14 /apps/xmlpipedb/biodb/fall2015/includes/diff/DifferenceEngine.php(453): DifferenceEngine->showDiff()
#15 /apps/xmlpipedb/biodb/fall2015/includes/page/Article.php(795): DifferenceEngine->showDiffPage()
#16 /apps/xmlpipedb/biodb/fall2015/includes/page/Article.php(506): Article->showDiffPage()
#17 /apps/xmlpipedb/biodb/fall2015/includes/actions/ViewAction.php(44): Article->view()
#18 /apps/xmlpipedb/biodb/fall2015/includes/MediaWiki.php(395): ViewAction->show()
#19 /apps/xmlpipedb/biodb/fall2015/includes/MediaWiki.php(273): MediaWiki->performAction()
#20 /apps/xmlpipedb/biodb/fall2015/includes/MediaWiki.php(566): MediaWiki->performRequest()
#21 /apps/xmlpipedb/biodb/fall2015/includes/MediaWiki.php(414): MediaWiki->main()
#22 /apps/xmlpipedb/biodb/fall2015/index.php(44): MediaWiki->run()
#23 {main}