Histogram plotting not working (either original or ggplot) on main galaxy server

I know my input data is good, ie not empty tables and correctly formatted (generated by Galaxy)

An error occurred while running the tool toolshed.g2.bx.psu.edu/repos/devteam/histogram/histogram_rpy/1.0.3.
Error Details

Execution resulted in the following messages:

Tool generated the following standard error:

File “/cvmfs/main.galaxyproject.org/migrated_tools/toolshed.g2.bx.psu.edu/repos/devteam/histogram/6ff47de059a0/histogram/histogram.py”, line 86
except Exception, exc:
^
SyntaxError: invalid syntax

An error occurred while running the tool toolshed.g2.bx.psu.edu/repos/iuc/ggplot2_histogram/ggplot2_histogram/2.2.1+galaxy0.
Error Details

Execution resulted in the following messages:

Fatal error: Exit code 137 ()

Tool generated the following standard error:

Using X.Seq1, Seq2 as id variables
/galaxy-repl/main/jobdir/027/231/27231985/tool_script.sh: line 57: 12643 Killed Rscript ‘/galaxy-repl/main/jobdir/027/231/27231985/configs/tmpvogm4cd4’