LibLinear "Fast Large Margin" Operator crashes

[Whadup]

When I want to train a model on Bag of Words features I get the error message "(feature nodes must be sorted by index in ascending order".

Full Stack Trace:

`Apr 20, 2016 10:15:00 AM SEVERE: Process failed: operator cannot be executed (feature nodes must be sorted by index in ascending order). Check the log messages...
Apr 20, 2016 10:15:00 AM SEVERE: Here: 
Apr 20, 2016 10:15:00 AM SEVERE:           Process[1] (Process)
Apr 20, 2016 10:15:00 AM SEVERE:            subprocess 'Main Process'
Apr 20, 2016 10:15:00 AM SEVERE:              +- Read CSV[1] (Read CSV)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Set Macro[1] (Set Macro)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Numerical to Binominal[1] (Numerical to Binominal)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Process Documents from Data[1] (Process Documents from Data)
Apr 20, 2016 10:15:00 AM SEVERE:            subprocess 'Vector Creation'
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Tokenize[17088] (Tokenize)
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Transform Cases[17088] (Transform Cases)
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Stem (Snowball)[17088] (Stem (Snowball))
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Generate n-Grams (Terms)[17088] (Generate n-Grams (Terms))
Apr 20, 2016 10:15:00 AM SEVERE:              +- Clustering[0] (k-Means (fast))
Apr 20, 2016 10:15:00 AM SEVERE:              +- Read CSV (2)[1] (Read CSV)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Numerical to Binominal (2)[1] (Numerical to Binominal)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Read CSV (3)[1] (Read CSV)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Numerical to Binominal (3)[1] (Numerical to Binominal)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Multiply[1] (Multiply)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Process Documents from Data (2)[1] (Process Documents from Data)
Apr 20, 2016 10:15:00 AM SEVERE:            subprocess 'Vector Creation'
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Tokenize (2)[1101] (Tokenize)
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Transform Cases (2)[1101] (Transform Cases)
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Stem (4)[1101] (Stem (Snowball))
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Generate n-Grams (2)[1101] (Generate n-Grams (Terms))
Apr 20, 2016 10:15:00 AM SEVERE:              +- Optimize Parameters (Grid)[1] (Optimize Parameters (Grid))
Apr 20, 2016 10:15:00 AM SEVERE:            subprocess 'Optimization Process'
Apr 20, 2016 10:15:00 AM SEVERE:        ==>   |     +- Fast Large Margin[1] (Fast Large Margin)
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Apply Model (2)[0] (Apply Model)
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Performance (2)[0] (Performance (Classification))
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Log[0] (Log)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Process Documents from Data (3)[0] (Process Documents from Data)
Apr 20, 2016 10:15:00 AM SEVERE:            subprocess 'Vector Creation'
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Tokenize (3)[0] (Tokenize)
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Transform Cases (3)[0] (Transform Cases)
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Stem (2)[0] (Stem (Snowball))
Apr 20, 2016 10:15:00 AM SEVERE:              |     +- Generate n-Grams (3)[0] (Generate n-Grams (Terms))
Apr 20, 2016 10:15:00 AM SEVERE:              +- Apply Model[0] (Apply Model)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Store[0] (Store)
Apr 20, 2016 10:15:00 AM SEVERE:              +- Performance[0] (Performance (Classification))
`

[ncwoehler]

Could you please provide the Java Stacktrace as well? You should find it in the "~/.RapidMiner/rapidminer-studio.log" file after executing the process.