error of DsSeq run output:

Trying to run DESeq2 tool in Galaxy, as per tutorial and getting error: attached
[ Run DESeq2 with the following parameters: “1: Factor”
“1: Factor level” : G1E param-file “Counts file(s)” : featureCount files corresponding to the two G1E replicates
“2: Factor level” : Mega param-file “Counts file(s)” : featureCount files corresponding to the two Mega replicates]09%20PM
What does it mean? What did I miss?