Cant see image in angular 8

[madeehacareem]

ERROR TypeError: Cannot read property 'png' of undefined
at Object.updateDirectives (4.1135c1f5870223b1dfda.js:1)
at Object.debugUpdateDirectives [as updateDirectives] (main.6011958d2b145bd8177f.js:1)
at checkAndUpdateView (main.6011958d2b145bd8177f.js:1)
at callViewAction (main.6011958d2b145bd8177f.js:1)
at execEmbeddedViewsAction (main.6011958d2b145bd8177f.js:1)
at checkAndUpdateView (main.6011958d2b145bd8177f.js:1)
at callViewAction (main.6011958d2b145bd8177f.js:1)
at execComponentViewsAction (main.6011958d2b145bd8177f.js:1)
at checkAndUpdateView (main.6011958d2b145bd8177f.js:1)
at callViewAction (main.6011958d2b145bd8177f.js:1)
View_FormUploadComponent_4 @ 4.1135c1f5870223b1dfda.js:1
logError @ main.6011958d2b145bd8177f.js:1
handleError @ main.6011958d2b145bd8177f.js:1
(anonymous) @ main.6011958d2b145bd8177f.js:1
invoke @ polyfills.b4042295746b0833ed10.js:1
run @ polyfills.b4042295746b0833ed10.js:1
runOutsideAngular @ main.6011958d2b145bd8177f.js:1
tick @ main.6011958d2b145bd8177f.js:1
(anonymous) @ main.6011958d2b145bd8177f.js:1
invoke @ polyfills.b4042295746b0833ed10.js:1
onInvoke @ main.6011958d2b145bd8177f.js:1
invoke @ polyfills.b4042295746b0833ed10.js:1
run @ polyfills.b4042295746b0833ed10.js:1
run @ main.6011958d2b145bd8177f.js:1
next @ main.6011958d2b145bd8177f.js:1
schedulerFn @ main.6011958d2b145bd8177f.js:1
__tryOrUnsub @ main.6011958d2b145bd8177f.js:1
next @ main.6011958d2b145bd8177f.js:1
_next @ main.6011958d2b145bd8177f.js:1
next @ main.6011958d2b145bd8177f.js:1
next @ main.6011958d2b145bd8177f.js:1
emit @ main.6011958d2b145bd8177f.js:1
checkStable @ main.6011958d2b145bd8177f.js:1
onLeave @ main.6011958d2b145bd8177f.js:1
onInvokeTask @ main.6011958d2b145bd8177f.js:1
invokeTask @ polyfills.b4042295746b0833ed10.js:1
runTask @ polyfills.b4042295746b0833ed10.js:1
invokeTask @ polyfills.b4042295746b0833ed10.js:1
invokeTask @ polyfills.b4042295746b0833ed10.js:1
globalZoneAwareCallback @ polyfills.b4042295746b0833ed10.js:1