I want to show a pdf which is located in the mime repository. I got this error: Access via 'NULL' object reference not possible.
These things I did:
1. I created a context node 'PDF' with attribute 'PDF_SOURCE'. The attribute has the Type XSTRING and as Default Value I deposit test.pdf
2. Then I created an Interactive Form element in the layout and bind the dataSource to the node and the pdfSource to the attribute.
Has anybody an idea what I did wrong?