orbot (13.0.4a) on android 4.3 didn't start - asus me302c tablet

In the orbot start window I get the following information:

Orbot is starting… Tor binary exists: /data/app-lib/org.torproject.android-2/libtor.so Privoxy binary exists: /data/app-lib/org.torproject.android-2/libprivoxy.so Obfsproxy binary exists: /data/app-lib/org.torproject.android-2/libobfsproxy.so Xtables binary exists: /data/app-lib/org.torproject.android-2/libxtables.so link RM err=0 out: link LN err=0 out: libtor.so: PRE: Is binary exec? true (re)Setting permission on binary: /data/app-lib/org.torproject.android-2/libtor.so libtor.so: POST: Is binary exec? true tor: PRE: Is binary exec? true (re)Setting permission on binary: /data/data/org.torproject.android/app_bin/tor tor: POST: Is binary exec? true libprivoxy.so: PRE: Is binary exec? true (re)Setting permission on binary: /data/app-lib/org.torproject.android-2/libprivoxy.so Orbot is starting… libprivoxy.so: POST: Is binary exec? true libobfsproxy.so: PRE: Is binary exec? true (re)Setting permission on binary: /data/app-lib/org.torproject.android-2/libobfsproxy.so libobfsproxy.so: POST: Is binary exec? true libxtables.so: PRE: Is binary exec? true (re)Setting permission on binary: /data/app-lib/org.torproject.android-2/libxtables.so libxtables.so: POST: Is binary exec? true Orbot is starting… Couldn't start Tor process:

The tablet is unrooted. Tor version v0.2.4.20

Trac:
Username: wuzi8642