I report that some courses in guru are showing a blank page when you want to see the lessons, an error as such does not come out, it stays blank and does not show anything.

Please can you help me to solve this as soon as possible.

These are the urls that present the error:

https://www.auditool.org/auditor%C3%ADa-interna/guruPrograms/4-auditor%C3%ADa-interna/30-formacion-integral-para-auditores-internos-basada-en-normas-internacionales-22-horas-cpe

https://www.auditool.org/ijoomla/guruPrograms/1-auditor%C3%ADa-de-informaci%C3%B3n-financiera/47-metodologia-de-auditoria-de-informacion-financiera

https://www.auditool.org/ijoomla/guruPrograms/1-auditor%C3%ADa-de-informaci%C3%B3n-financiera/38-niif-plenas-para-auditores

https://www.auditool.org/ijoomla/guruPrograms/1-auditor%C3%ADa-de-informaci%C3%B3n-financiera/45-niif-pymes-para-auditores-11-horas-cpe

https://www.auditool.org/ijoomla/guruPrograms/1-auditor%C3%ADa-de-informaci%C3%B3n-financiera/63-normas-internacionales-de-auditoria-v-2018

Thank you,