[Samsung Galaxy A3, A5, A7 (2017) ROMs, Kernels, Re] starbright_:
Do we have real experts here? Created a log from a problem, that Yalp app can't download anymore. My knowledge isn't deep enough to make conclusions:

[09-02 16:03:00.751 21656:21656 I/ButtonDownload]
Write permission granted

[09-02 16:03:00.800 21722:21722 F/libnativeloader]
Error preloading public library libcamera2ndk.so: dlopen failed: cannot locate symbol "" referenced by "/system/lib/libstagefright.so"...

[09-02 16:03:00.801 2744:2744 I//system/bin/tombstoned]
received crash request for pid 21722

[09-02 16:03:00.802 21722:21722 F/DEBUG]
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

[09-02 16:03:00.802 21722:21722 F/DEBUG]
LineageOS Version: '15.1-20180821-UNOFFICIAL-a3y17lte'

[09-02 16:03:00.802 21722:21722 F/DEBUG]
Build fingerprint: 'samsung/a3y17ltexc/a3y17lte:7.0/NRD90M/A320FLXXUBQI:user/release-keys'

[09-02 16:03:00.802 21722:21722 F/DEBUG]
Revision: '0'

[09-02 16:03:00.802 21722:21722 F/DEBUG]
ABI: 'arm'

[09-02 16:03:00.802 21722:21722 F/DEBUG]
pid: 21722, tid: 21722, name: /system/bin/webview_zygote32 >>> main <<<

[09-02 16:03:00.802 21722:21722 F/DEBUG]
signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------

[09-02 16:03:00.814 21722:21722 F/DEBUG]
Abort message: 'Error preloading public library libcamera2ndk.so: dlopen failed: cannot locate symbol "" referenced by "/system/lib/libstagefright.so"...'

[09-02 16:03:00.814 21722:21722 F/DEBUG]
r0 00000000 r1 000054da r2 00000006 r3 00000008

[09-02 16:03:00.814 21722:21722 F/DEBUG]
r4 000054da r5 000054da r6 fffdfee4 r7 0000010c

[09-02 16:03:00.814 21722:21722 F/DEBUG]
r8 00000000 r9 00000000 sl ed81e010 fp fffe0449

[09-02 16:03:00.814 21722:21722 F/DEBUG]
ip fffe036c sp fffdfed0 lr f03fec4f pc f03f8700 cpsr 20000030

[09-02 16:03:00.819 21722:21722 F/DEBUG]

backtrace:

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#00 pc 00019700 /system/lib/libc.so (abort+63)

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#01 pc 0000665f /system/lib/liblog.so (__android_log_assert+154)

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#02 pc 0000194f /system/lib/libnativeloader.so

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#03 pc 00001413 /system/lib/libnativeloader.so (android::InitializeNativeLoader()+18)

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#04 pc 00252fdd /system/lib/libart.so (JNI_CreateJavaVM+420)

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#05 pc 0006d525 /system/lib/libandroid_runtime.so (android::AndroidRuntime::startVm(_JavaVM**, _JNIEnv**, bool)+2928)

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#06 pc 0006dad1 /system/lib/libandroid_runtime.so (android::AndroidRuntime::start(char const*, android::Vector<android::String8> const&, bool)+232)

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#07 pc 000012bd /system/bin/webview_zygote32

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#08 pc 00079f25 /system/lib/libc.so (__libc_init+48)

[09-02 16:03:00.819 21722:21722 F/DEBUG]
#09 pc 00001160 /system/bin/webview_zygote32

[09-02 16:03:00.833 2744:2744 E//system/bin/tombstoned]
Tombstone written to: /data/tombstones/tombstone_07

[09-02 16:03:00.834 2864:2885 I/BootReceiver]
Copying /data/tombstones/tombstone_07 to DropBox (SYSTEM_TOMBSTONE)

[09-02 16:03:00.831 21722:21722 W/main]
type=1701 audit(0.0:1527): auid=4294967295 uid=1053 gid=0 ses=4294967295 subj=u:r:webview_zygote:s0 exe="/system/bin/webview_zygote32" sig=6

[09-02 16:03:00.860 21656:21674 I/NativeHttpClientAdapter]
Requesting https://android.clients.google.com/fdfe/purchase

[09-02 16:03:01.721 21656:21674 I/NativeHttpClientAdapter]
HTTP result code 200 Cache NETWORK 200

[09-02 16:03:01.746 21656:21674 I/NativeHttpClientAdapter]
Requesting https://android.clients.google.com/fdfe/delivery?dtok=AB-xQnpSMBABDY20zNdX-dw9wPxVoXTKupnHq9wkivAxvJRpQSWJkyMziCStieojjNCd2Kqgvt3oCBWcoyz_l7VgjaFhX5YYynk-kEDWJ4CKYfrkkrc9_LQcxhcFmg3QQAROcz08uJSR&ot=1&doc=org.openintents.filemanager&vc=39

[09-02 16:03:01.987 21656:21674 I/NativeHttpClientAdapter]
HTTP result code 200 Cache NETWORK 200

[09-02 16:03:02.036 21656:21674 I/Downloader]
file.exists()=false file.length()=0 metadata.getSize()=2265077

[09-02 16:03:02.037 21656:21674 I/DownloadManagerAdapter]
Downloading APK for org.openintents.filemanager

[09-02 16:03:02.087 3631:3643 W/DownloadManager]
Path appears to be invalid: /storage/emulated/0/Download/org.openintents.filemanager.39.apk

[09-02 16:03:02.139 21656:21674 I/DownloadManagerAdapter]
Download id 22

No idea why libcamera is involved here. Also I can't see why the download path should be invalid.