buffer error

[Qtron]

when attempting to use French - English , or vv, the error message buffer full
shows, some words like French ''Oui'' (yes) is OK, & displays, but then ''pris'' causes buffer error.
I have been advised that the dictionary needs fixing.
Android, Galaxy S5, SM-G900I, s/w 6.0.1
my ph is not the 'latest' and I don't believe I am the only one with this problem.
No other app has ever caused buffer errors.
now that the TDF is over I am not in a rush ! (but was).