Sixth form enrolment software provider Applicaa is investigating after its system 鈥渃rashed鈥� on GCSE results day. The firm has apologised after its platform 鈥渄isrupted鈥� the enrolment process for nearly 300 schools until around 2pm on Thursday. A spokesperson said they were 鈥渁cutely aware of the gravity of today鈥檚 system disruption, especially during such a pivotal period鈥�. Although the system was rigorously tested in advance it 鈥渃learly fell short of the actual amount of stress it was put under,鈥� they added. Schools and students reported a 鈥渟tressful鈥� experience, waiting in queues to finalise enrolment and receiving error pages. The Twitter 鈥渇or the system crash鈥�. Some schools pushed back their own enrolment deadlines as a result of the problems. We are aware of the issues accessing for our external students trying to enrol. We are extending the deadline for uploading results to 2pm today. If you are an offer holder and met requirements for 3 of your subjects but are unable to upload onto applicaa then…— Seven Kings Sixth Form (@SKSixthForm) Around 800 schools with sixth forms and sixth form colleges use the platform, but some choose to spread their enrolment days out before September, meaning not all were impacted yesterday. A spokesperson said they were 鈥渃arrying out a full investigation with our various partners to understand the exact root cause of the issues鈥�. The system was working again today. is also contacting all schools affected to offer to complete their enrolment and said it shouldn’t have impacted on students getting a place. The firm added 272 schools were using the platform on Thursday and 28,000 students were enrolled into sixth forms. They expected 鈥渕any more to be added鈥� today. Impacted schools should contact the support team on 0208 762 0882.