mautic.ERROR: [MAIL ERROR] Unable to open file for reading

Will I send e-mail this error? With internal and external image link!



mautic.ERROR: [MAIL ERROR] Unable to open file for reading



Does anyone know how to fix this?

Will I send e-mail this error? With internal and external image link!

mautic.ERROR: [MAIL ERROR] Unable to open file for reading

Does anyone know how to fix this?