Getting the following errors

Deprecated: Function split() is deprecated in ...\includes\eiseXLSX.php on line 746

Deprecated: Function split() is deprecated in ...\includes\eiseXLSX.php on line 749

Warning: eiseXLSX::getElementPosition() [eisexlsx.getelementposition]: Node no longer exists in ...\includes\eiseXLSX.php on line 1033

Hi,
it is already updated at 'dev' branch that available on GitHub. Master branch and next version with some improvements will go live very soon. Stay tuned & best regards
-Ilya

Ilya,

Just downloaded latest version here, still getting (Wordpress, PHP 7.1)

Fatal error: Uncaught Error: Call to undefined function split() in {{location}}\objects\eiseXLSX.php:871
Stack trace: #0 {{location}}\objects\eiseXLSX.php(149): eiseXLSX->getPathByRelTarget('/xl/_rels/workb...', 'styles.xml')
#1 {{location}}\objects\dmc_user_admin.php(364): eiseXLSX->__construct('C:/Users/larry/...')
#2 {location}\wp-includes\class-wp-hook.php(286): dmc_user_admin->DMC_export('')
#3 {location}\wp-includes\class-wp-hook.php(310): WP_Hook->apply_filters('', Array)
#4 {location}\wp-includes\plugin.php(453): WP_Hook->do_action(Array)
#5 {location}\wp-admin\admin.php(224): do_action('dmc-user-listin...')
#6 {main} thrown in {{location}}\objects\eiseXLSX.php on line 871

I am trying to upgrade the site to PHP 7.1

and line 874

also:

Deprecated: Non-static method eiseXLSX::letter2index() should not be called statically in C:\Users\larry\Projects\larrywakeman\www\wp-content\plugins\dmc-user-list\objects\eiseXLSX.php on line 1305

Notice: Only variables should be assigned by reference in C:\Users\larry\Projects\larrywakeman\www\wp-content\plugins\dmc-user-list\objects\eiseXLSX.php on line 1129

Notice: Only variables should be assigned by reference in C:\Users\larry\Projects\larrywakeman\www\wp-content\plugins\dmc-user-list\objects\eiseXLSX.php on line 205

Notice: Only variables should be assigned by reference in C:\Users\larry\Projects\larrywakeman\www\wp-content\plugins\dmc-user-list\objects\eiseXLSX.php on line 229

Hello Larry,

thanks for this error report. Will prepare a patch soon.

Kind Regards,
-Ilya

also line 1690, change to

if(isset($remove) && $remove) {