Blank image when attaching to ticket notes

[0trs]

Hi,

Is there a fix for the blank image error encountered when attaching images to tickets.
Please see screenshot.
No errors were found on logs. I checked the modules but everything seems fine.
[root@otrs bin]# ./otrs.CheckModules.pl
o CGI............................ok (v3.50)
o Crypt::PasswdMD5...............ok (v1.3)
o CSS::Minifier..................ok (v0.01)
o Date::Format...................ok (v2.24)
o Date::Pcalc....................ok (v1.2)
o DBI............................ok (v1.616)
o DBD::mysql.....................ok (v4.013)
o Digest::MD5....................ok (v2.51)
o Digest::SHA::PurePerl..........ok (v5.48)
o Encode::HanExtra...............ok (v0.23)
o GD.............................ok (v2.46)
o GD::Text....................ok (v0.86)
o GD::Graph...................ok (v1.44)
o GD::Graph::lines............ok (v1.15)
o GD::Text::Align.............ok (v1.18)
o IO::Scalar.....................ok (v2.110)
o IO::Wrap.......................ok (v2.110)
o JavaScript::Minifier...........ok (v1.05)
o JSON...........................ok (v2.50)
o JSON::PP....................ok (v2.27103)
o JSON::XS....................ok (v2.32)
o LWP::UserAgent.................ok (v6.03)
o Mail::Internet.................ok (v2.07)
o Mail::POP3Client...............ok (v2.18 )
o IO::Socket::SSL.............ok (v1.49)
o MIME::Base64...................ok (v3.13)
o MIME::Tools....................ok (v5.428)
o ModPerl::Util..................ok (v2.000004)
o Apache::DBI.................ok (v1.09)
o Apache2::Reload.............ok (v0.11)
o Net::DNS.......................ok (v0.67)
o Net::POP3......................ok (v2.29)
o Net::IMAP::Simple..............ok (v1.2017)
o Net::IMAP::Simple::SSL......ok (v1.3)
o Net::SMTP......................ok (v2.31)
o Authen::SASL................ok (v2.15)
o Net::SMTP::SSL..............ok (v1.01)
o Net::SMTP::TLS::ButMaintainedok (v0.17)
o Net::LDAP......................Not installed! (Optional - Required for directory authentication.)
o PDF::API2......................ok (v2.019)
o Compress::Zlib..............ok (v2.043)
o SOAP::Lite.....................Not installed! (Optional - Required for the SOAP interface.)
o Text::CSV......................ok (v1.21)
o Text::CSV_PP................ok (v1.29)
o Text::CSV_XS................Not installed! (Optional - Optional, install it for faster CSV handling.)
o XML::Parser....................ok (v2.36)