Hi Pietro This often happens if there's a chunk of data missing in the middle of a dataset, due to ice rings say. Usually increasing the number of refls per shell (SHELL keyword as you say) fixes this but in particularly bad cases it may not. Can you send the standard output from scala, it may be possible to work out what's happening from the stats printed there.
Cheers -- Ian > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Pietro Roversi > Sent: 14 July 2008 14:36 > To: CCP4BB@JISCMAIL.AC.UK > Subject: CCP4-ecalc crashes > > Dear everyone, > is anyone else experiencing problems with > CCP4-ecalc? No matter how many reflexions I declare per > resolution shell > (keyword SHELL), nor what mtz file I use, it seems to be > crashing always > with the following message: > > ############################################################### > ############################################################### > ############################################################### > ### CCP4 6.0: ECALC version 6.0 : 06/09/05## > ############################################################### > > > > <B><FONT COLOR="#FF0000"><!--SUMMARY_BEGIN--> > ECALC: **** ERROR - Empty shell - increase NSHELL. > ECALC: **** ERROR - Empty shell - increase NSHELL. > Times: User: 0.5s System: 0.0s Elapsed: 0:00 > > BTW if I follow this error message's suggestion and I use > NSHELL instead > of SHELL (as per ecalc manual) I get a crash too ("ERROR(S) > IN INPUT") > > I think the keyword is correct in the manual and wrong in the error > message. > > Thanks > > Pietro > > -- > Pietro Roversi > Sir William Dunn School of Pathology, Oxford University > South Parks Road, Oxford OX1 3RE, England UK > Tel. 0044-1865-275385 > > Disclaimer This communication is confidential and may contain privileged information intended solely for the named addressee(s). It may not be used or disclosed except for the purpose for which it has been sent. If you are not the intended recipient you must not review, use, disclose, copy, distribute or take any action in reliance upon it. If you have received this communication in error, please notify Astex Therapeutics Ltd by emailing [EMAIL PROTECTED] and destroy all copies of the message and any attached documents. Astex Therapeutics Ltd monitors, controls and protects all its messaging traffic in compliance with its corporate email policy. The Company accepts no liability or responsibility for any onward transmission or use of emails and attachments having left the Astex Therapeutics domain. Unless expressly stated, opinions in this message are those of the individual sender and not of Astex Therapeutics Ltd. The recipient should check this email and any attachments for the presence of computer viruses. Astex Therapeutics Ltd accepts no liability for damage caused by any virus transmitted by this email. E-mail is susceptible to data corruption, interception, unauthorized amendment, and tampering, Astex Therapeutics Ltd only send and receive e-mails on the basis that the Company is not liable for any such alteration or any consequences thereof. Astex Therapeutics Ltd., Registered in England at 436 Cambridge Science Park, Cambridge CB4 0QA under number 3751674
