Ok, i found the debug option.
Code:
Splitting Command Line:Done
->-> [dBCoreConverter::ReaddBCommandFile]
<-<- [dBCoreConverter::ReaddBCommandFile]
Decodes [clDecoder::Get]
BatchID [clDecoder::Set]
->-> [cldBCodecHandler::LoadEncoder]
Loading Encoder 'C:\Program Files (x86)\Illustrate\dBpoweramp\encoder\CLI Encoder.DLL'
<-<- [cldBCodecHandler::LoadEncoder]
BatchID [clEncoder::Set]
->-> [dBCoreConverter::StripCoreConverterCmds]
<-<- [dBCoreConverter::StripCoreConverterCmds]
SendRawUnCompressed [clEncoder::Get]
Communicate [clDecoder::Get]
Communicate [clEncoder::Get]
NeedHQAudio [clEncoder::Get]
Decode As [clDecoder::Set]
->-> [clDecoder::Open]
Opening file 'Y:\Adele\2008-19\12-Hometown Glory.flac' for read access: Opened
Init FLAC:
Reading Meta Data:
Contains picture block, size (bytes): 22933 type: 3
contained 13 tags:
ALBUM: 19
ARTIST: Adele
Artistsort: Adele
ASIN: B000YIXBUO
Year: 2008
GENRE: soul
female vocalists
british
singer-songwriter
indie
ORGANIZATION: XL Recordings
TITLE: Hometown Glory
Track: 12
replaygain_album_gain: -7.80 dB
replaygain_album_peak: 1.000000
replaygain_track_gain: -8.83 dB
replaygain_track_peak: 0.994934
->-> [clDecoder::ReadIDTags]
<-<- [clDecoder::ReadIDTags]
->-> [clDecoder::FillAudioProps]
Encoder: FLAC reference libFLAC 1.2.1 20070917
Sample Count: 11,961,096
ID Tag: Vorbis Comments
Contains: Album Art, CRC, ReplayGain, ID Tag [Vorbis Comments]
<-<- [clDecoder::FillAudioProps]
->-> [clDecoder::FillAudioInfo]
Uncompressed WFX (sent to db): Format Tag: 1 Channels: 2 Bits per Sample: 16 Samples Per Second: 44100 Bytes Per Second: 176400 Block Align: 4 CB Size: 0
Audio Length: 271226 mili-seconds 25556408 bytes 1411 kbps
<-<- [clDecoder::FillAudioInfo]
Creating Decode Buffers: Created
<-<- [clDecoder::Open]
SendOverReplayGainTags [clEncoder::Get]
->-> [clEncoder::BeginConversion]
Converting to 'd:\aacout\Adele\2008-19\12-Hometown Glory.m4a.tmp.m4a' encoder settings ' -cli_encoder="C:\Program Files (x86)\Illustrate\dBpoweramp\encoder\CLI Encoder\qaac.exe" -cli_cmd="-a 64000-he-o [outfile] --no-optimize -q2 -" -selection="1,5,1"'
Using Encoder 'C:\Program Files (x86)\Illustrate\dBpoweramp\encoder\CLI Encoder\qaac.exe'
Command Line '-a 64000-he-o d:\aacout\Adele\2008-19\12-HOM~4.M4A --no-optimize -q2 -'
Input Wave Format:Format Tag: 1 Channels: 2 Bits per Sample: 16 Samples Per Second: 44100 Bytes Per Second: 176400 Block Align: 4 CB Size: 0
Output Wave Format:Format Tag: 1 Channels: 2 Bits per Sample: 16 Samples Per Second: 44100 Bytes Per Second: 176400 Block Align: 4 CB Size: 0
Passing Wave Header: Yes
Using StdInput Pipe: Yes
dBpoweramp Writing Tags: Yes
<-<- [clEncoder::BeginConversion]
Communicate [clDecoder::Get]
Communicate [clEncoder::Get]
Encoding To: CLI Encoder
Encoder Cmd Line: -cli_encoder="C:\Program Files (x86)\Illustrate\dBpoweramp\encoder\CLI Encoder\qaac.exe" -cli_cmd="-a 64000-he-o [outfile] --no-optimize -q2 -" -selection="1,5,1"
============= CONVERSION BEGIN =============
*** Error: Error writing audio data to StdIn Pipe [clEncoder::EncodeBlock]
============= CONVERSION END =============
Communicate [clDecoder::Get]
Communicate [clEncoder::Get]
->-> [dBCoreConverter::CloseDecoder]
->-> [clDecoder::Close]
<-<- [clDecoder::Close]
->-> [clEncoder::EndConversion]
<-<- [clEncoder::EndConversion]
File Size Check (before overwrite final): 0 bytes Filename: d:\aacout\Adele\2008-19\12-Hometown Glory.m4a.tmp.m4a
Communicate [clDecoder::Get]
Communicate [clEncoder::Get]
Conversion completed in 125 mili-seconds x2169 realtime encoding
File Size Check (core converter exit): 0 bytes Filename: d:\aacout\Adele\2008-19\12-Hometown Glory.m4a
->-> [clDecoder::Close]
<-<- [clDecoder::Close]
TLDR
Code:
Encoder Cmd Line: -cli_encoder="C:\Program Files (x86)\Illustrate\dBpoweramp\encoder\CLI Encoder\qaac.exe" -cli_cmd="-a 64000-he-o [outfile] --no-optimize -q2 -" -selection="1,5,1"

*edit*
I've appended spaces to every line after arguments yet im still getting errors in the pipe. The same error that is.