Method error

src/webpage/settings.ts:2437–2450

(formElm: string, errorMessage: string)

		} catch (e) {
			if (e instanceof FormError) {
				this.handleError(e);
			}
			return;
		}
		if (this.fetchURL !== "") {
			const onSubmit = async (json: any) => {
				try {
					await this.onSubmit(json, build);
				} catch (e) {
					console.error(e);
					if (e instanceof FormError) {
						this.handleError(e);
					}
					return;
				}
			};
			const doFetch = async () => {