otter browser error

[johnblood@manjaro ~]$ otter-browser

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:587:14: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:587:14: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:590:17: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:785:14: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:785:14: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:788:17: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:1097:14: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:1097:14: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:1100:17: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:2283:8: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:2283:18: Using Pango syntax for the font: style property is deprecated; please use CSS syntax

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:2288:8: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:2288:18: Using Pango syntax for the font: style property is deprecated; please use CSS syntax

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4236:14: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4236:14: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4298:12: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4298:12: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4307:16: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4307:16: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4322:22: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4322:22: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4378:12: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4380:16: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4380:16: Expected a string.

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4428:12: not a number

(otter-browser:5283): Gtk-WARNING **: Theme parsing error: gtk.css:4428:12: Expected a string.
[0223/150423.303290:WARNING:stack_trace_posix.cc(648)] Failed to open file: /home/johnblood/#3674408 (deleted)
  Error: No such file or directory
Empty filename passed to function
free(): invalid pointer
Received signal 6
#0 0x7fadc9a03316 <unknown>
#1 0x7fadc867fd0c <unknown>
#2 0x7fadc9a0368c <unknown>
#3 0x7fadc2de88e0 <unknown>
#4 0x7fadc2de8860 __GI_raise
#5 0x7fadc2de9ec9 __GI_abort
#6 0x7fadc2e2b437 __libc_message
#7 0x7fadc2e3178b malloc_printerr
#8 0x7fadc2e3324c _int_free
#9 0x7facff68e282 <unknown>
#10 0x7facff69ade3 <unknown>
#11 0x7facff69bd55 <unknown>
#12 0x7fadc1fd5def __pthread_once_slow
#13 0x7facff69bda1 <unknown>
#14 0x7facff69bde3 <unknown>
#15 0x7facff66d6a4 <unknown>
#16 0x7facff6657b8 <unknown>
#17 0x7facff6657ea <unknown>
#18 0x7fadd064147a call_init.part.0
#19 0x7fadd0641586 _dl_init
#20 0x7fadd0645a5e dl_open_worker
#21 0x7fadc2ee5b64 __GI__dl_catch_error
#22 0x7fadd064527a _dl_open
#23 0x7fadc1265e86 <unknown>
#24 0x7fadc2ee5b64 __GI__dl_catch_error
#25 0x7fadc1266587 <unknown>
#26 0x7fadc1265f22 dlopen
#27 0x7fadc39a15de <unknown>
#28 0x7fadc399ae89 QLibrary::load()
#29 0x7fadc55527f1 <unknown>
#30 0x7fadc5535d98 <unknown>
#31 0x7fadc5532ea1 <unknown>
#32 0x7fadc5533872 <unknown>
#33 0x7fadc54ed0dd QWebSettings::pluginSearchPaths()
#34 0x55b68142642c <unknown>
#35 0x55b6813e22d7 <unknown>
#36 0x55b6813e279c <unknown>
#37 0x55b6812c98b2 <unknown>
#38 0x55b6812c9ad9 <unknown>
#39 0x55b6812164b7 <unknown>
#40 0x55b681273c96 <unknown>
#41 0x7fadc39d619f QMetaObject::activate()
#42 0x7fadcf1ca8df QTabBar::currentChanged()
#43 0x7fadcf1cefc2 QTabBar::setCurrentIndex()
#44 0x55b6812163d6 <unknown>
#45 0x55b6812206e9 <unknown>
#46 0x55b68122082b <unknown>
#47 0x7fadc39e3074 <unknown>
#48 0x7fadc39d6a7b QObject::event()
#49 0x7fadcf013ecc QApplicationPrivate::notify_helper()
#50 0x7fadcf01b8a6 QApplication::notify()
#51 0x7fadc39a5850 QCoreApplication::notifyInternal2()
#52 0x7fadc3a01148 QTimerInfoList::activateTimers()
#53 0x7fadc3a01942 <unknown>
#54 0x7fadb771fe38 g_main_context_dispatch
#55 0x7fadb7720081 <unknown>
#56 0x7fadb772010e g_main_context_iteration
#57 0x7fadc3a01d01 QEventDispatcherGlib::processEvents()
#58 0x7fada9d772e2 <unknown>
#59 0x7fadc39a3e9b QEventLoop::exec()
#60 0x7fadc39ad188 QCoreApplication::exec()
#61 0x55b6810dcebd <unknown>
  r8: 0000000000000000  r9: 00007ffc77a90e90 r10: 0000000000000008 r11: 0000000000000246
 r12: 00007ffc77a91100 r13: 0000000000001000 r14: 0000000000000000 r15: 0000000000000030
  di: 0000000000000002  si: 00007ffc77a90e90  bp: 00007ffc77a91200  bx: 0000000000000006
  dx: 0000000000000000  ax: 0000000000000000  cx: 00007fadc2de8860  sp: 00007ffc77a90e90
  ip: 00007fadc2de8860 efl: 0000000000000246 cgf: 002b000000000033 erf: 0000000000000000
 trp: 0000000000000000 msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
Calling _exit(1). Core file will not be generated.
[johnblood@manjaro ~]$