suddenly my xml injection stopped working on attributes and I do not know how to fix it

if I press STRG+SPACE, it says "no suggestions".
The namespace seems to be valid, because injection works on adding shapes etc

suddenly my xml injection stopped working on attributes and I do not know how to fix it

if I press STRG+SPACE, it says "no suggestions".
The namespace seems to be valid, because injection works on adding shapes etc
