New certification sent not display

When adding a new certification to a user, i get this error :

vendor-8dd210e334.js:12 TypeError: e.motionCertifications is not a function
    at cesium-2b3e054148.js:2
    at s (vendor-8dd210e334.js:12)
    at vendor-8dd210e334.js:12
    at h.$eval (vendor-8dd210e334.js:13)
    at h.$digest (vendor-8dd210e334.js:13)
    at h.$apply (vendor-8dd210e334.js:13)
    at o (vendor-8dd210e334.js:12)
    at v (vendor-8dd210e334.js:12)
    at XMLHttpRequest.w.onload (vendor-8dd210e334.js:12)

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