I am trying to sovle MAD data using the PHENIX software. I am using the AutoSol wizard. My data is integrated in R3. Phenix keeps spitting out the error that this space group is either unknown or the cell dimensions are inappropriate to the space group (the are a=b=c=159 and alpha=beta=gamma=109). Is there a glitch with thi space group or am I doing something wrong. Phaser tends to have the same problem with this space group and I can not seem to get around it. If I provide data in a different space group I can get past this problem only to be confronted with another problem regarding the column labels in my mtz files. I have six data sets collected. Two for each of three different wavelengths. Each of the two for a single wavelength is scaled seperately and then merged together using ccp4. I have taken a lot of effort to make sure that the column labels do not repeat in these files, yet I continually get column label errors when I run three mtz files in the AutoSol wizard (one mtz file for each wavelength). I am getting the same errors in ccp4 as well. There must be something basic that I am doing wrong with regards to processing my data and merging the mtzs together. Thanks you for your help. Angela