Question juridique clé
Whether the incapacity of work causing invalidity arose while the appellant was still insured with the respondent.
Solution extraite
It was not established with the required degree of probability that the decisive incapacity began before 1 June 1998, when coverage with the respondent ended.
Motifs extraits
No medical certificate or contemporaneous proof covered the employment period with X.________; later medical reports were based on retrospective anamnesis and did not prove onset before coverage ended.