Error en vendor.js

[casassg]

Degut a que el codi esta minificat no puc assenyalar la causa del error. Pero si que et puc penjar el codi del error:

vendor.1813e5ad4befa889ea53.js:1 Uncaught TypeError: Cannot read property 'split' of undefined
    at t (browser.a4546581b24476f68389.js:formatted:19)
    at onClick (browser.a4546581b24476f68389.js:formatted:48)
    at Object.v (vendor.1813e5ad4befa889ea53.js:1)
    at Object.invokeGuardedCallback (vendor.1813e5ad4befa889ea53.js:1)
    at Object.invokeGuardedCallbackAndCatchFirstError (vendor.1813e5ad4befa889ea53.js:1)
    at m (vendor.1813e5ad4befa889ea53.js:1)
    at Object.executeDispatchesInOrder (vendor.1813e5ad4befa889ea53.js:1)
    at C (vendor.1813e5ad4befa889ea53.js:1)
    at x (vendor.1813e5ad4befa889ea53.js:1)
    at Array.forEach (<anonymous>)
t @ browser.a4546581b24476f68389.js:formatted:19
onClick @ browser.a4546581b24476f68389.js:formatted:48
v @ vendor.1813e5ad4befa889ea53.js:1
invokeGuardedCallback @ vendor.1813e5ad4befa889ea53.js:1
invokeGuardedCallbackAndCatchFirstError @ vendor.1813e5ad4befa889ea53.js:1
m @ vendor.1813e5ad4befa889ea53.js:1
executeDispatchesInOrder @ vendor.1813e5ad4befa889ea53.js:1
C @ vendor.1813e5ad4befa889ea53.js:1
x @ vendor.1813e5ad4befa889ea53.js:1
S @ vendor.1813e5ad4befa889ea53.js:1
processEventQueue @ vendor.1813e5ad4befa889ea53.js:1
handleTopLevel @ vendor.1813e5ad4befa889ea53.js:1
T @ vendor.1813e5ad4befa889ea53.js:1
batchedUpdates @ vendor.1813e5ad4befa889ea53.js:1
E @ vendor.1813e5ad4befa889ea53.js:1
w @ vendor.1813e5ad4befa889ea53.js:1
batchedUpdates @ vendor.1813e5ad4befa889ea53.js:1
dispatchEvent @ vendor.1813e5ad4befa889ea53.js:1

Error trobat a Google Chrome 61.0 64 bits

[biels]

Segurament prové de la irregularitat de les dades al full de càlcul. Sort que Javascript té certa tolerància als errors! Intento buscar-ne la causa.