The names of the defendants in the case of disgraced rock star Ian Watkins were mistakenly included on the court service's listing site, it confirmed today.
The development came as Peaches Geldof continued to be at the centre of a row for tweeting the names of the two mothers whose babies were involved in abuse by the singer.
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The daughter of Boomtown Rats singer Bob Geldof posted a series of tweets this morning explaining that she had assumed the names were already "public knowledge".
An HM Courts & Tribunals Service spokesman said: "We apologise that the names of the defendants in this case were mistakenly included on our court listing site. The names were quickly removed from the site, and action has been taken to ensure this does not happen again."
Police are continuing to pursue new leads in the shocking child sex abuse case after a flurry of calls triggered by an appeal for unknown victims to come forward.
Paedophile rocker Watkins admitted two counts of attempted rape on the baby of a female fan, on the eve of a contested trial this week.
He has been described as the "modern day Jimmy Savile."
Ian Watkins of Lostprophets
The former Lostprophets frontman's admissions included conspiracy to rape a baby, sexually touching a one-year-old and possessing and making child porn.
The 36-year-old, from Pontypridd, South Wales, plotted the shocking abuse with the two mothers of the babies in a series of text and internet messages.
Senior South Wales police vowed to carry on investigating Watkins after his admissions at Cardiff Crown Court on Tuesday.
Detective chief inspector Peter Doyle said the force would "work tirelessly to identify any other victims or witnesses and seek the justice they deserve."
He also appealed for anyone who has been "affected" by the Watkins child sex abuse case to make contact.
A spokesman for the force said today that it had "received a number of calls as a result of the telephone numbers we published in the appeal".
South Wales Police released this mug shot of Ian Watkins
He said he could not give the number of calls received or the information passed to police but they were being followed up by officers.
The comments will only add to the growing fear that Watkins's guilty pleas offer only a glimpse of the true extent of his drug-fuelled debauchery.
Former girlfriend Joanna Majic, 38, warned this week that sex predator Watkins had abused hundreds of young victims during years of secret offending.
She claimed besotted female fans of the paedophile are hiding the true extent of his offending because they secretly offered their children for abuse.
She repeatedly reported Watkins to the police from 2008 onwards but her accusations were not acted on at the time.
"I've always said to the police, there's hundreds of victims out there and you're never going to find them because the mothers are in on it," she said in an interview.
When police informed her last year that Watkins had been arrested she replied: " 'You're four years too late,' because if they'd have done something in 2008 he never would have done anything."
Anyone who has been affected by the Watkins case, or other cases of child abuse, is urged to contact South Wales Police on 029 20634184 or the NSPCC on 0808 800 5000.